Thoughtseize (Invocation) [Amonkhet Invocations] Plant Wall Dragons your team controls have

Dragons your team controls have double strike

Change the target of target spell with a single target

Set: Alpha Edition Type: Instant Rarity: Common Cost: {1}{W} Destroy target artifact or enchantment

When Saproling Burst leaves the battlefield

Set: Judge Gift Cards 2012 Type: Instant Rarity: Rare Cost: {U} Counter target instant or sorcery spell unless its controller pays {1}

Thoughtseize (Invocation) [Amonkhet Invocations] Plant Wall Dragons your team controls haveSet: Amonkhet Invocations Type: Sorcery Rarity: Mythic Cost: {B} Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.