foul-magics/Mage.Sets/src/mage/cards/t/ThunderDrake.java

package mage.cards.t;

import mage.MageInt;
import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.effects.common.counter.AddCountersSourceEffect;
import mage.abilities.keyword.FlyingAbility;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.constants.SubType;
import mage.constants.Zone;
import mage.counters.CounterType;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.watchers.common.CastSpellLastTurnWatcher;

import java.util.UUID;

/**
 * @author TheElk801
 */
public final class ThunderDrake extends CardImpl {

    public ThunderDrake(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{3}{U}");

        this.subtype.add(SubType.ELEMENTAL);
        this.subtype.add(SubType.DRAKE);
        this.power = new MageInt(2);
        this.toughness = new MageInt(3);

        // Flying
        this.addAbility(FlyingAbility.getInstance());

        // Whenever you cast you cast your second spell each turn, put a +1/+1 counter on Thunder Drake.
        this.addAbility(new ThunderDrakeTriggeredAbility(), new CastSpellLastTurnWatcher());
    }

    private ThunderDrake(final ThunderDrake card) {
        super(card);
    }

    @Override
    public ThunderDrake copy() {
        return new ThunderDrake(this);
    }
}

class ThunderDrakeTriggeredAbility extends TriggeredAbilityImpl {

    ThunderDrakeTriggeredAbility() {
        super(Zone.BATTLEFIELD, new AddCountersSourceEffect(CounterType.P1P1.createInstance()));
    }

    private ThunderDrakeTriggeredAbility(final ThunderDrakeTriggeredAbility ability) {
        super(ability);
    }

    @Override
    public ThunderDrakeTriggeredAbility copy() {
        return new ThunderDrakeTriggeredAbility(this);
    }

    @Override
    public boolean checkEventType(GameEvent event, Game game) {
        return event.getType() == GameEvent.EventType.SPELL_CAST;
    }

    @Override
    public boolean checkTrigger(GameEvent event, Game game) {
        if (event.getPlayerId().equals(controllerId)) {
            CastSpellLastTurnWatcher watcher = game.getState().getWatcher(CastSpellLastTurnWatcher.class);
            if (watcher != null && watcher.getAmountOfSpellsPlayerCastOnCurrentTurn(event.getPlayerId()) == 2) {
                return true;
            }
        }
        return false;
    }

    @Override
    public String getRule() {
        return "Whenever you cast your second spell each turn, put a +1/+1 counter on {this}";
    }
}