Requires

Ovika, Enigma Goliath must be on the battlefield. Ashnod's Altar must be on the battlefield. Birgi, God of Storytelling // Harnfel, Horn of Bounty must be on the battlefield. Haze of Rage must be in hand. Mana needed:

Steps

1. Cast Haze of Rage with buyback by paying .
2. Ovika, Birgi and Haze of Rage's storm ability trigger.
3. Resolve the Birgi trigger, adding .
4. Resolve the Ovika trigger, creating two 1/1 Phyrexian Goblin creature tokens.
5. Resolve the Haze of Rage trigger, copying Haze of Rage for each spell you've cast before it this turn.
6. Resolve the first copy of Haze of Rage, giving creatures you control +1/+0 until end of turn.
7. Repeat step 6 for each remaining copy.
8. Resolve the original Haze of Rage, giving creatures you control +1/+0 until end of turn and returning Haze of Rage to your hand.
9. Activate Ashnod's Altar twice by sacrificing the Phyrexian Goblins, adding .
10. Repeat.

Results