Goldberry, River-Daughter + Thornbite Staff + Phyrexian Altar + Intruder Alarm + Stormbound Geist

Goldberry, River-Daughter

Thornbite Staff

Phyrexian Altar

Intruder Alarm

Stormbound Geist

How it works

1. Activate Phyrexian Altar by sacrificing Stormbound Geist, adding .
2. When Stormbound Geist dies, its undying ability and Goldberry trigger.
3. Resolve the Stormbound Geist trigger, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
4. When Stormbound Geist enters the battlefield, Intruder Alarm triggers, untapping all creatures.
5. Holding priority, activate Goldberry's first ability by tapping it, moving the +1/+1 counter from Stormbound Geist onto Goldberry.
6. Resolve the Goldberry trigger from step 2, untapping it.
7. Activate Goldberry's second ability by paying and tapping it, moving the +1/+1 counter from Goldberry onto any permanent except Stormbound Geist, and causing you to draw a card.
8. Repeat.