Halo Fountain + Karn, Silver Golem + Sage of the Maze
Halo Fountain
Karn, Silver Golem
Sage of the Maze
Infinite card drawInfinite draw triggersNear-infinite creature tokensNear-infinite untap of creatures you controlNear-infinite mana creatures you control can produce
How it works
Activate Karn by paying 1, causing Halo Fountain to become a creature.
Activate Sage of the Maze by tapping it, adding .
Activate Halo Fountain's second ability by paying , tapping it, and then untapping it and Sage of the Maze, causing you to draw a card.