Goldberry, River-Daughter + Thornbite Staff + Phyrexian Altar + Teysa Karlov + Stormbound Geist

Goldberry, River-Daughter

Thornbite Staff

Phyrexian Altar

Teysa Karlov

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 twice.
3. Resolve both Stormbound Geist triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
4. Resolve the first Goldberry trigger, untapping it.
5. Holding priority, activate Goldberry's first ability by tapping it, moving the +1/+1 counter from Stormbound Geist onto Goldberry.
6. Resolve the second 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 Teysa, and causing you to draw a card.
8. Repeat.