Sin Collector | Creature | Human Cleric | When Sin Collector enters the battlefield, target opponent reveals their hand. You choose an instant or sorcery card from it and exile that card. | Mike Bierek
Showstopper | Instant | | Until end of turn, creatures you control gain "When this creature dies, it deals 2 damage to target creature an opponent controls." | Steve Prescott
Putrefy | Instant | | Destroy target artifact or creature. It can't be regenerated. | Igor Kieryluk