Requires

Steps

1. Activate Phyrexian Altar by sacrificing Geralf's Mindcrusher, adding .
2. When Geralf's Mindcrusher dies, its undying ability and Goldberry trigger.
3. Resolve the Geralf's Mindcrusher trigger, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
4. When Geralf's Mindcrusher enters the battlefield, it triggers, causing a player to mill five cards.
5. Holding priority, activate Mind over Matter by discarding a card, untapping Goldberry.
6. Activate Goldberry's first ability by tapping it, moving the +1/+1 counter from Geralf's Mindcrusher onto Goldberry.
7. Resolve the Goldberry trigger from step 2, untapping it.
8. Activate Goldberry's second ability by paying and tapping it, moving the +1/+1 counter from Goldberry onto any permanent except Geralf's Mindcrusher, and causing you to draw a card.
9. Repeat.

Results