Missy + Altar of Dementia + Coral Trickster

Missy

Altar of Dementia

Coral Trickster

How it works

1. Activate Altar of Dementia by sacrificing Coral Trickster.
2. When Coral Trickster dies, Missy's first ability triggers, returning Coral Trickster from your graveyard to the battlefield face down as a 2/2 Cyberman artifact creature.
3. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Coral Trickster's power.
4. Activate a mana-producing permanent by tapping it, adding at least .
5. Activate Coral Trickster's morph ability by paying , turning it face up.
6. Coral Trickster triggers, untapping target permanent.
7. Repeat.