Goldberry, River-Daughter + Thornbite Staff + Phyrexian Altar + Intruder Alarm + Geralf's Mindcrusher

Prerequisites

• Thornbite Staff attached to Goldberry.
• Goldberry does not have summoning sickness.
• Goldberry and Geralf's Mindcrusher do not have a +1/+1 counter on it.

Steps

1. 1Activate Phyrexian Altar by sacrificing Geralf's Mindcrusher, adding .
2. 2When Geralf's Mindcrusher dies, its undying ability and Goldberry trigger.
3. 3Resolve the Geralf's Mindcrusher trigger, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
4. 4When Geralf's Mindcrusher enters the battlefield, it and Intruder Alarm triggers.
5. 5Resolve the Geralf's Mindcrusher trigger, causing a player to mill five cards.
6. 6Resolve the Intruder Alarm trigger, untapping all creatures.
7. 7Holding priority, activate Goldberry's first ability by tapping it, moving the +1/+1 counter from Geralf's Mindcrusher onto Goldberry.
8. 8Resolve the Goldberry trigger from step 2, untapping it.
9. 9Activate 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.
10. 10Repeat.

Effects

• Infinite card draw
• Infinite draw triggers
• Near-infinite +1/+1 counters
• Near-infinite creature ETB
• Near-infinite creature LTB
• Near-infinite creature sacrifice triggers
• Near-infinite death triggers
• Near-infinite mill
• Near-infinite untap of all creatures