Emry, Lurker of the Loch, Jeskai Ascendancy, and Slobad, Iron Goblin

Prerequisites

• Emry, Lurker of the Loch on the battlefield
• Jeskai Ascendancy on the battlefield
• Slobad, Iron Goblin on the battlefield
• You control a noncreature nontoken artifact that can be cast using only red mana
• Slobad and Emry do not have summoning sickness

Steps

1. Activate Slobad by tapping and sacrificing the artifact, adding an amount of equal to the artifact's mana value
2. Activate Emry by tapping it, allowing you to cast the artifact from your graveyard this turn
3. Cast the artifact from your graveyard by paying its mana cost
4. Jeskai Ascendancy triggers twice
5. Resolve the first Jeskai Ascendancy trigger, giving creatures you control +1/+1 until end of turn and untapping them
6. Resolve the second Jeskai Ascendancy trigger, causing you to loot
7. Repeat

Results

• Infinite draw triggers
• Infinite looting
• Infinitely large creatures until end of turn
• Infinite self-discard triggers
• Infinite storm count
• Infinite untap of creatures you control