When Contagion Engine enters, put a -1/-1 counter on each creature target player controls., : Proliferate twice. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)
Destroy X target artifacts and/or creatures. For each permanent destroyed this way, its controller reveals cards from the top of their library until an artifact or creature card is revealed and exiles that card. Those players put the exiled cards onto the battlefield, then shuffle.
When Contagion Engine enters, put a -1/-1 counter on each creature target player controls., : Proliferate twice. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)
If it's not your turn, you may exile a green card from your hand rather than pay this spell's mana cost.Destroy up to two target artifacts and/or enchantments.
When Contagion Engine enters, put a -1/-1 counter on each creature target player controls., : Proliferate twice. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)
Put target creature or enchantment card from an opponent's graveyard onto the battlefield under your control.Destroy each artifact, creature, and enchantment with mana value X.