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* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
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package mage.sets.zendikar;
import java.util.UUID;
import mage.constants.CardType;
import mage.constants.ColoredManaSymbol;
import mage.constants.Rarity;
import mage.constants.WatcherScope;
import mage.constants.Zone;
import mage.abilities.Ability;
import mage.abilities.costs.AlternativeCostImpl;
import mage.abilities.costs.mana.ColoredManaCost;
import mage.abilities.effects.common.CreateTokenEffect;
import mage.cards.CardImpl;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.GameEvent.EventType;
import mage.game.permanent.Permanent;
import mage.game.permanent.token.SnakeToken;
import mage.game.stack.StackObject;
import mage.players.Player;
import mage.watchers.Watcher;
/**
*
* @author Rafbill
*/
public class CobraTrap extends CardImpl {
public CobraTrap(UUID ownerId) {
super(ownerId, 160, "Cobra Trap", Rarity.UNCOMMON, new CardType[]{CardType.INSTANT}, "{4}{G}{G}");
this.expansionSetCode = "ZEN";
this.subtype.add("Trap");
this.color.setGreen(true);
// If a noncreature permanent under your control was destroyed this turn by a spell or ability an opponent controlled, you may pay {G} rather than pay Cobra Trap's mana cost.
this.getSpellAbility().addAlternativeCost(
new CobraTrapAlternativeCost());
this.addWatcher(new CobraTrapWatcher());
// Put four 1/1 green Snake creature tokens onto the battlefield.
this.getSpellAbility().addEffect(new CreateTokenEffect(new SnakeToken(), 4));
}
public CobraTrap(final CobraTrap card) {
super(card);
}
@Override
public CobraTrap copy() {
return new CobraTrap(this);
}
}
class CobraTrapWatcher extends Watcher {
public CobraTrapWatcher() {
super("noncreature permanent destroyed", WatcherScope.PLAYER);
}
public CobraTrapWatcher(final CobraTrapWatcher watcher) {
super(watcher);
}
@Override
public CobraTrapWatcher copy() {
return new CobraTrapWatcher(this);
}
@Override
public void watch(GameEvent event, Game game) {
if (condition == true) { // no need to check - condition has already occured
return;
}
Player player = game.getPlayer(controllerId);
if (player != null && event.getType() == EventType.DESTROYED_PERMANENT) {
Permanent perm = (Permanent) game.getLastKnownInformation(event.getTargetId(), Zone.BATTLEFIELD);
if (perm != null && !perm.getCardType().contains(CardType.CREATURE)) {
if (game.getStack().size() > 0) {
StackObject spell = game.getStack().getStackObject(event.getSourceId());
if (spell != null && game.getOpponents(controllerId).contains(spell.getControllerId())) {
condition = true;
}
}
}
}
}
}
class CobraTrapAlternativeCost extends AlternativeCostImpl {
public CobraTrapAlternativeCost() {
super("you may pay {G} rather than pay Cobra Trap's mana cost");
this.add(new ColoredManaCost(ColoredManaSymbol.G));
}
public CobraTrapAlternativeCost(final CobraTrapAlternativeCost cost) {
super(cost);
}
@Override
public CobraTrapAlternativeCost copy() {
return new CobraTrapAlternativeCost(this);
}
@Override
public boolean isAvailable(Game game, Ability source) {
Watcher watcher = game.getState().getWatchers().get("noncreature permanent destroyed", source.getControllerId());
if (watcher != null && watcher.conditionMet()) {
return true;
}
return false;
}
@Override
public String getText() {
return "If a noncreature permanent under your control was destroyed this turn by a spell or ability an opponent controlled, you may pay {G} rather than pay Cobra Trap's mana cost";
}
}