As an additional cost to cast this spell, discard a card and sacrifice a creature.
Two target creatures each get -13/-13 until end of turn.
You must target exactly two creatures to cast Ruthless Disposal. However, one of the targets can be the creature you intend to sacrifice to pay Ruthless Disposalâ€™s cost.
You canâ€™t target one creature twice to give it -26/-26.
Thereâ€™s no way to discard a creature card with madness, cast it, and sacrifice it to pay for both of Ruthless Disposalâ€™s additional costs.
Once you begin to cast Ruthless Disposal, no player may take actions until youâ€™re done. Notably, opponents canâ€™t try to remove the creature you wish to sacrifice.
If one targeted creature becomes an illegal target, the other will still get -13/-13 until end of turn.
Discarding a card and sacrificing a creature are both part of Ruthless Disposalâ€™s cost. You canâ€™t discard or sacrifice more to target more creatures, and you canâ€™t cast Ruthless Disposal at all if you donâ€™t have any other cards in hand or if you control no creatures.