Halo Fountain + Sylvan Awakening

Halo Fountain

Sylvan Awakening

How it works

1. Cast Sylvan Awakening for 2, causing all lands you control to become 2/2 creatures with reach, indestructible, and haste in addition to their other types until your next turn.
2. Activate an untapped land you control by tapping it, adding at least 1.
3. Repeat step 2 until you control fifteen tapped creatures.
4. Activate Halo Fountain by paying , tapping it, and untapping fifteen creatures you control, causing you to win the game.