Requires

Orthion, Hero of Lavabrink must be on the battlefield. Umbral Mantle must be on the battlefield. Phyrexian Altar must be on the battlefield. Patron of the Arts must be on the battlefield. Orthion does not have summoning sickness. Umbral Mantle attached to Orthion. Mana needed:

Steps

1. Activate Orthion's second ability by paying and tapping it, creating five token copies of Patron of the Arts with haste.
2. When the Patron of the Arts tokens enter the battlefield, they trigger, creating five Treasure artifact tokens.
3. Activate Phyrexian Altar five times by sacrificing the Patron of the Arts tokens, adding .
4. When the Patron of the Arts tokens die, they trigger, creating five Treasure artifact tokens.
5. Activate seven Treasures by tapping and sacrificing them, adding .
6. Activate Orthion by paying and untapping it, giving it +2/+2 until end of turn.
7. Repeat.
8. Once you have infinite mana, you may instead target any other creature you control.

Results