Whenever a creature is exiled from the battlefield, put a +1/+1 counter on Soulherder.At the beginning of your end step, you may exile another target creature you control, then return that card to the battlefield under its owner's control.
MenaceAt the beginning of your first main phase, you may sacrifice a creature. When you do, choose a nonland card name, then target player reveals their hand and discards all cards with that name.
Create two 1/1 white Bird creature tokens with flying.Flashback—Tap three untapped white creatures you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Reach, Exile a creature card from your graveyard: Create a 1/2 green Spider creature token with reach, then each opponent loses 1 life for each Spider you control.
Trample, hasteWhenever Lightning Skelemental deals combat damage to a player, that player discards two cards.At the beginning of the end step, sacrifice Lightning Skelemental.
Destroy target artifact.Dredge 1 (If you would draw a card, you may mill a card instead. If you do, return this card from your graveyard to your hand.)
Shroud (This creature can't be the target of spells or abilities.)Threshold — Nimble Mongoose gets +2/+2 as long as seven or more cards are in your graveyard.