Activate Brigid by tapping it, adding {W} for each other creature you control
Activate Formidable Speaker by paying {1} and tapping it, untapping Halo Fountain.
Activate Halo Fountain's second ability by paying {W}{W}, tapping it, untapping Brigid and untapping Formidable Speaker, causing you to draw a card.
Activate Formidable Speaker by paying {1} and tapping it, untapping Halo Fountain.
Activate Halo Fountain's first ability by paying {W}, tapping it and untapping Formidable Speaker, creating a 1/1 Citizen creature token.
If you have at least {1}{W} available, repeat from step 4 until you don't have {1}{W} available.
Repeat.

Infinite card draw

Infinite draw triggers

Near-infinite creature ETB

Near-infinite creature tokens

Near-infinite green mana

Near-infinite white mana

Brigid, Clachan's Heart // Brigid, Doun's Mind

Formidable Speaker

Halo Fountain

Activate Gaea's Cradle by tapping it, adding at least {G}{G}{G}{G}{G}.
Activate Magus of the Candelabra by paying {2} and tapping it, untapping Gaea's Cradle and Wirewood Lodge.
Activate Wirewood Lodge's second ability by paying {G} and tapping it, untapping Formidable Speaker.
Activate Formidable Speaker by paying {1} and tapping it, untapping Magus of the Candelabra.
Repeat.

Infinite green mana

Infinite mana lands you control can produce

Infinite untap of lands you control

Wirewood Lodge

Magus of the Candelabra

Gaea's Cradle

Activate Gaea's Cradle by tapping it, adding at least {G}{G}{G}{G}{G}.
Activate Candelabra of Tawnos by paying {2} and tapping it, untapping Gaea's Cradle and Wirewood Lodge.
Activate Wirewood Lodge's second ability by paying {G} and tapping it, untapping Formidable Speaker.
Activate Formidable Speaker by paying {1} and tapping it, untapping Candelabra of Tawnos.
Repeat.

Candelabra of Tawnos

Search Results