Riddlekeeper [Commander 2011] Commander 2015 put two +1/+1 counters on

put two +1/+1 counters on it or create two 1/1 colorless Servo artifact creature tokens

Set: Genesis Impact Card type: Xyz/Effect Monster Rarity: Collector's Rare Attack: 1800 Defense: 2400

you can send this card from your hand to the Graveyard to negate the effect

if All Hallow's Eve is exiled with a scream counter on it

Riddlekeeper [Commander 2011] Commander 2015 put two +1/+1 counters onSet: Commander 2011 Type: Creature Homunculus Rarity: Rare Cost: {2}{U} Whenever a creature attacks you or a planeswalker you control, that creature's controller mills two cards. Fools surrender their sanity to his riddles. Even greater fools try to solve them.