Sylvan Awakening for ({2} magic symbol) ({G} magic symbol) , 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.
Activate an untapped land you control by tapping it, adding at least ({1} magic symbol) .
Repeat step 2 until you control fifteen tapped creatures.
Activate
Halo Fountain by paying ({W} magic symbol) ({W} magic symbol) ({W} magic symbol) ({W} magic symbol) ({W} magic symbol) , tapping it, and untapping fifteen creatures you control, causing you to win the game.
Results
Win the game.
Metadata
In 373 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Oddball (Bracket 2-3+).