Modern Horizons 3: Grist, Voracious Larva

Edition: Modern Horizons 3

Condition: NM

Deathtouch
Whenever Grist, Voracious Larva or another creature enters the battlefield under your control, if it entered from your graveyard or you cast it from your graveyard, you may pay {G}. If you do, exile Grist, then return it to the battlefield transformed under its owner's control.

-----Transform-----

Grist, the Plague Swarm
Legendary Planeswalker - Grist
[+1]: Create a 1/1 black and green Insect creature token, then mill two cards. Put a deathtouch counter on the token if a black card was milled this way.
[-2]: Destroy target artifact or enchantment.
[-6]: For each creature card in your graveyard, create a token that's a copy of it, except it's a 1/1 black and green Insect.
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