Sidisi's Faithful and Inalla Infinite Bounce

Step 1: Cast Sidisi's Faithful and exploit its ability or pay its exploit cost by sacrificing itself to return a creature to its owner's hand.

Step 2: Use Inalla, Archmage Ritualist's ability to pay and create a token copy of Sidisi's Faithful when it enters the battlefield.

Step 3: Exploit the token copy of Sidisi's Faithful to itself, using its ETB ability to return the original Sidisi's Faithful to your hand.

Step 4: Sacrifice the token copy to Ashnod's Altar to generate .

Step 5: Repeat the process with the original Sidisi's Faithful, netting each cycle.

Step 6: Utilize infinite mana for a win condition like a massive Torment of Hailfire or mill with an Altar of the Brood.