white kyurem pokemon card value GX discard an Energy attached to your opponents Active Pokemon 2016 Pokemon XY White Kyurem

Second, the most-played sweeper effect in Standard currently is Languish, and even indestructible creatures can have their toughness reduced to zero

This is, after all, my personal list

(Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 3 life.) Magecraft Whenever you cast or copy an instant or sorcery spell, create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life." Creature - Human Warlock Sprout Swarm Convoke (Your creatures can help cast this spell

The bad news is you cant really do this

* Over 210 cards * 7 powerful Prism Star cards, including 3 Stadium cards * 13 Pokemon-GX and 4 Ultra Beasts * More than 20 Trainer cards