diff --git a/Mage.Sets/src/mage/sets/IkoriaLairOfBehemoths.java b/Mage.Sets/src/mage/sets/IkoriaLairOfBehemoths.java
new file mode 100644
index 00000000000..66396c46657
--- /dev/null
+++ b/Mage.Sets/src/mage/sets/IkoriaLairOfBehemoths.java
@@ -0,0 +1,28 @@
+package mage.sets;
+
+import mage.cards.ExpansionSet;
+import mage.constants.SetType;
+
+/**
+ * @author TheElk801
+ */
+public final class IkoriaLairOfBehemoths extends ExpansionSet {
+
+    private static final IkoriaLairOfBehemoths instance = new IkoriaLairOfBehemoths();
+
+    public static IkoriaLairOfBehemoths getInstance() {
+        return instance;
+    }
+
+    private IkoriaLairOfBehemoths() {
+        super("Ikoria: Lair of Behemoths", "IKO", ExpansionSet.buildDate(2020, 4, 24), SetType.EXPANSION);
+        this.blockName = "Ikoria: Lair of Behemoths";
+        this.hasBoosters = true;
+        this.numBoosterLands = 1;
+        this.numBoosterCommon = 10;
+        this.numBoosterUncommon = 3;
+        this.numBoosterRare = 1;
+        this.ratioBoosterMythic = 8;
+        this.maxCardNumberInBooster = 274;
+    }
+}
diff --git a/Utils/known-sets.txt b/Utils/known-sets.txt
index e38a5014d04..16de55806c5 100644
--- a/Utils/known-sets.txt
+++ b/Utils/known-sets.txt
@@ -105,6 +105,7 @@ Homelands|Homelands|
 Hour of Devastation|HourOfDevastation|
 Ice Age|IceAge|
 IconicMasters|IconicMasters|
+Ikoria: Lair of Behemoths|IkoriaLairOfBehemoths|
 Innistrad|Innistrad|
 Invasion|Invasion|
 Ixalan|Ixalan|
diff --git a/Utils/mtg-cards-data.txt b/Utils/mtg-cards-data.txt
index 31af2677725..f18100c8889 100644
--- a/Utils/mtg-cards-data.txt
+++ b/Utils/mtg-cards-data.txt
@@ -36728,3 +36728,15 @@ Slaying Fire|Throne of Eldraine|394|U|{2}{R}|Instant|||Slaying Fire deals 3 dama
 Kenrith's Transformation|Throne of Eldraine|395|U|{1}{G}|Enchantment - Aura|||Enchant creature$When Kenrith's Transformation enters the battlefield, draw a card.$Enchanted creature loses all abilities and is a green Elk creature with base power and toughness 3/3.|
 Improbable Alliance|Throne of Eldraine|396|U|{U}{R}|Enchantment|||Whenever you draw your second card each turn, create a 1/1 blue Faerie creature token with flying.${4}{U}{R}: Draw a card, then discard a card.|
 Inspiring Veteran|Throne of Eldraine|397|U|{R}{W}|Creature - Human Knight|2|2|Other Knights you control get +1/+1.|
+Huntmaster Liger|Ikoria: Lair of Behemoths|16|U|{3}{W}|Creature - Cat|3|4|Mutate {2}{W}$Whenever this creature mutates, other creatures you control get +X/+X until end of turn, where X is the number of times this creature has mutated.|
+Gloom Pangolin|Ikoria: Lair of Behemoths|89|C|{2}{B}|Creature - Nightmare Pangolin|1|5||
+Lukka, Coppercoat Outcast|Ikoria: Lair of Behemoths|125|M|{3}{R}{R}|Legendary Planeswalker - Lukka|5|+1: Exile the top three cards of your library. Creature cards exiled this way gain "You may cast this card from exile as long as you control a Lukka planeswalker."$−2: Exile target creature you control, then reveal cards from the top of your library until you reveal a creature card with higher converted amna cost. Put that card onto the battlefield and the rest on the bottom of your library in a random order.$−7: Each creature you control deals damage equal to its power to each opponent.|
+Vivien, Monsters' Advocate|Ikoria: Lair of Behemoths|175|M|{3}{G}{G}|Legendary Planeswalker - Vivien|3|You may look at the top card of your library any time.$You may cast creature spells from the top of your library.$+1: Create a 3/3 green Beast creature token. Put your choice of a vigilance counter, a reach counter, or a trample counter on it.$−2: When you cast your next creature spell this turn, search your library for a creature card with lesser converted mana cost, put it onto the battlefield, then shuffle your library.|
+Illuna, Apex of Wishes|Ikoria: Lair of Behemoths|190|M|{2}{G}{U}{R}|Legendary Creature - Beast Elemental Dinosaur|6|6|Mutate {3}{R/G}{U}{U}$Flying, trample$Whenever this creature mutates, exile cards from the top of your library until you exile a nonland permanent card. Put that card onto the battlefield or into your hand.|
+Zilortha, Strength Incarnate|Ikoria: Lair of Behemoths|275|M|{3}{R}{G}|Legendary Creature - Dinosaur|7|3|Trample$Lethal damage dealt to creatures you control is determined by their power rather than their toughness.|
+Lukka, Coppercoat Outcast|Ikoria: Lair of Behemoths|276|M|{3}{R}{R}|Legendary Planeswalker - Lukka|5|+1: Exile the top three cards of your library. Creature cards exiled this way gain "You may cast this card from exile as long as you control a Lukka planeswalker."$−2: Exile target creature you control, then reveal cards from the top of your library until you reveal a creature card with higher converted amna cost. Put that card onto the battlefield and the rest on the bottom of your library in a random order.$−7: Each creature you control deals damage equal to its power to each opponent.|
+Vivien, Monsters' Advocate|Ikoria: Lair of Behemoths|277|M|{3}{G}{G}|Legendary Planeswalker - Vivien|3|You may look at the top card of your library any time.$You may cast creature spells from the top of your library.$+1: Create a 3/3 green Beast creature token. Put your choice of a vigilance counter, a reach counter, or a trample counter on it.$−2: When you cast your next creature spell this turn, search your library for a creature card with lesser converted mana cost, put it onto the battlefield, then shuffle your library.|
+Illuna, Apex of Wishes|Ikoria: Lair of Behemoths|300|M|{2}{G}{U}{R}|Legendary Creature - Beast Elemental Dinosaur|6|6|Mutate {3}{R/G}{U}{U}$Flying, trample$Whenever this creature mutates, exile cards from the top of your library until you exile a nonland permanent card. Put that card onto the battlefield or into your hand.|
+Luminous Broodmoth|Ikoria: Lair of Behemoths|316|M|{2}{W}{W}|Creature - Insect|3|4|Flying$Whenever a creature you control without flying dies, return it to the battlefield under its owner's control with a flying counter on it.|
+Keruga, the Macrosage|Ikoria: Lair of Behemoths|354|R|{3}{G/U}{G/U}|Legendary Creature - Dinosaur Hippo|5|4|Companion - Your starting deck contains only cards with converted amna cost 3 or greater and land cards.$When Keruga, the Macrosage enters the battlefield, draw a card for each other permanent you control with converted mana cost 3 or greater.|
+Illuna, Apex of Wishes|Ikoria: Lair of Behemoths|379|M|{2}{G}{U}{R}|Legendary Creature - Beast Elemental Dinosaur|6|6|Mutate {3}{R/G}{U}{U}$Flying, trample$Whenever this creature mutates, exile cards from the top of your library until you exile a nonland permanent card. Put that card onto the battlefield or into your hand.|
diff --git a/Utils/mtg-sets-data.txt b/Utils/mtg-sets-data.txt
index da2361c833a..83e58c6ab84 100644
--- a/Utils/mtg-sets-data.txt
+++ b/Utils/mtg-sets-data.txt
@@ -109,6 +109,7 @@ Planechase|HOP|
 Hour of Devastation|HOU|
 Ice Age|ICE|
 Iconic Masters|IMA|
+Ikoria: Lair of Behemoths|IKO|
 Invasion|INV|
 Innistrad|ISD|
 Journey into Nyx|JOU|