Shadowmoor

River's Grasp

If {U} was spent to play River's Grasp, return up to one target creature to its owner's hand. If {B} was spent to play River's Grasp, target player reveals his or her hand, you choose a nonland card from it, then that player discards that card. (Do both if {U}{B} was spent.)

If {U} was spent to cast this spell, return up to one target creature to its owner's hand. If {B} was spent to cast this spell, target player reveals their hand, you choose a nonland card from it, then that player discards that card. (Do both if {U}{B} was spent.)