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/*
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 *        of conditions and the following disclaimer in the documentation and/or other materials
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package mage.cards.p;

import mage.MageInt;
import mage.abilities.Ability;
import mage.abilities.common.EntersBattlefieldAbility;
import mage.abilities.common.EntersBattlefieldTriggeredAbility;
import mage.abilities.dynamicvalue.DynamicValue;
import mage.abilities.dynamicvalue.common.SourcePermanentPowerCount;
import mage.abilities.effects.Effect;
import mage.abilities.effects.common.DrawCardSourceControllerEffect;
import mage.abilities.effects.common.counter.AddCountersSourceEffect;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.constants.SuperType;
import mage.counters.CounterType;
import mage.filter.common.FilterControlledCreaturePermanent;
import mage.game.Game;
import mage.game.permanent.Permanent;

import java.util.UUID;

/**
 *
 * @author Plopman
 */
public class PrimeSpeakerZegana extends CardImpl {

    public PrimeSpeakerZegana(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{2}{G}{G}{U}{U}");
        this.subtype.add("Merfolk");
        this.subtype.add("Wizard");
        addSuperType(SuperType.LEGENDARY);

        
        this.power = new MageInt(1);
        this.toughness = new MageInt(1);

        //Prime Speaker Zegana enters the battlefield with X +1/+1 counters on it, where X is the greatest power among other creatures you control.
        this.addAbility(new EntersBattlefieldAbility(
                new AddCountersSourceEffect(CounterType.P1P1.createInstance(0),
                new GreatestPowerCount(), true),
                "where X is the greatest power among other creatures you control"));
        //When Prime Speaker Zegana enters the battlefield, draw cards equal to its power.
        this.addAbility(new EntersBattlefieldTriggeredAbility(new DrawCardSourceControllerEffect(new SourcePermanentPowerCount())));
    }

    public PrimeSpeakerZegana(final PrimeSpeakerZegana card) {
        super(card);
    }

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

class GreatestPowerCount implements DynamicValue {
    
    
    @Override
    public int calculate(Game game, Ability sourceAbility, Effect effect) {
        int value = 0;
        for(Permanent creature : game.getBattlefield().getActivePermanents(new FilterControlledCreaturePermanent(), sourceAbility.getControllerId(), game)){
            if(creature != null && creature.getPower().getValue() > value && !sourceAbility.getSourceId().equals(creature.getId())){
                value = creature.getPower().getValue();
            }
        }
        return value;
    }

    @Override
    public DynamicValue copy() {
        return new GreatestPowerCount();
    }

    @Override
    public String toString() {
        return "X";
    }

    @Override
    public String getMessage() {
        return "greatest power among other creatures you control";
    }
}