Counter target instant or sorcery spell. Search its controller's graveyard, hand, and library for all cards with the same name as that spell and exile them. Then that player shuffles.
Enchant creatureWhen enchanted creature dies, that creature's controller may search their library for a creature card, put that card onto the battlefield, then shuffle.
HasteEcho (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)When Keldon Champion enters, it deals 3 damage to target player or planeswalker.
Exile target nonbasic land. Search its controller's graveyard, hand, and library for all cards with the same name as that land and exile them. Then that player shuffles.
Exile target artifact. Search its controller's graveyard, hand, and library for all cards with the same name as that artifact and exile them. Then that player shuffles.
Enchant creatureAt the beginning of your upkeep, you may put a fuse counter on Incendiary.When enchanted creature dies, Incendiary deals X damage to any target, where X is the number of fuse counters on Incendiary.
Enchant creatureAt the beginning of your upkeep, you may put an infection counter on Festering Wound.At the beginning of the upkeep of enchanted creature's controller, Festering Wound deals X damage to that player, where X is the number of infection counters on Festering Wound.
, , Sacrifice Apprentice Necromancer: Return target creature card from your graveyard to the battlefield. That creature gains haste. At the beginning of the next end step, sacrifice it.