Halo Fountain + Karn, Silver Golem + Pyramid of the Pantheon
Halo Fountain
Karn, Silver Golem
Pyramid of the Pantheon
Infinite card drawNear-infinite creature ETBInfinite draw triggersNear-infinite colored manaNear-infinite creature tokensNear-infinite untap of creatures you controlNear-infinite mana creatures you control can produce
How it works
Activate Karn twice by paying 2, causing Halo Fountain and Pyramid of the Pantheon to become a creature.
Activate Pyramid of the Pantheon by tapping it, adding .
Activate Halo Fountain's second ability by paying , tapping it, and then untapping it and Pyramid of the Pantheon, causing you to draw a card.