Suspend 4—{G} Until end of turn, you may play lands and cast spells from your graveyard. If a card would be put into your graveyard from anywhere this turn, exile that card instead.
When Barbed Spike enters, create a 1/1 colorless Thopter artifact creature token with flying, then attach Barbed Spike to it. Equipped creature gets +1/+0. Equip {2}
Delve Flying Murktide Regent enters with a +1/+1 counter on it for each instant and sorcery card exiled with it. Whenever an instant or sorcery card leaves your graveyard, put a +1/+1 counter on Murktide Regent.
When Specimen Collector enters, create a 1/1 green Squirrel creature token and a 0/3 blue Crab creature token. When Specimen Collector dies, create a token that's a copy of target token you control.
Shadow If a card would be put into an opponent's graveyard from anywhere, instead exile it with a void counter on it. {T}, Sacrifice Dauthi Voidwalker: Choose an exiled card an opponent owns with a void counter on it. You may play it this turn without paying its mana cost.
Choose one. If you control a commander as you cast this spell, you may choose both instead. • Target player draws X cards. • Target player mills twice X cards.
"Within our minds are limitless depths. Dive down, but don't forget to surface." —Teferi
When The Meathook Massacre enters, each creature gets -X/-X until end of turn. Whenever a creature you control dies, each opponent loses 1 life. Whenever a creature an opponent controls dies, you gain 1 life.
Flying Whenever Purifying Dragon attacks, it deals 1 damage to target creature defending player controls. If that creature is a Zombie, Purifying Dragon deals 2 damage to it instead.
You may look at the top card of your library any time. You may play lands from the top of your library. Coven — As long as you control three or more creatures with different powers, you may cast creature spells from the top of your library.
Whenever Tovolar's Packleader enters or attacks, create two 2/2 green Wolf creature tokens. {2}{G}{G}: Another target Wolf or Werewolf you control fights target creature you don't control. Nightbound
Daybound [+1]: Until your next turn, you may cast creature spells as though they had flash, and each creature you control enters with an additional +1/+1 counter on it. [–3]: Create two 2/2 green Wolf creature tokens.