Elite Arcanist + Dark Ritual + Chromatic Orrery + Freed from the Real

Elite Arcanist

Dark Ritual

Chromatic Orrery

Freed from the Real

How it works

1. Activate Elite Arcanist's ability by paying 1 and tapping it, casting a copy of Dark Ritual without paying its mana cost.
2. Resolve Dark Ritual, adding 3.
3. Activate Freed from the Real's second ability by paying 1, untapping Elite Arcanist.
4. Repeat.