When Devoted Grafkeeper enters the battlefield, mill two cards.

Whenever you cast a spell from your graveyard, tap target creature you don't control.

Disturb 1WU (You may cast this card from your graveyard transformed for its disturb cost.)

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Departed Soulkeeper

Flying

Departed Soulkeeper can block only creatures with flying.

If Departed Soulkeeper would be put into a graveyard from anywhere, exile it instead.

When this creature enters, mill two cards.
Whenever you cast a spell from your graveyard, tap target creature you don't control.
Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Flying
This creature can block only creatures with flying.
If Departed Soulkeeper would be put into a graveyard from anywhere, exile it instead.