Jeskai Ascendancy + Seething Anger + Alena, Kessig Trapper

Jeskai Ascendancy
Seething Anger
Alena, Kessig Trapper

Requires
Jeskai Ascendancy must be on the battlefield. Seething Anger must be in hand. Alena, Kessig Trapper must be on the battlefield. Alena does not have summoning sickness. A creature entered the battlefield under your control this turn. If the creature that entered the battlefield this turn has less than 4 power, some starting mana is required.
Steps
  1. Activate Alena by tapping it, adding an amount of equal to the power of the highest power among creatures that entered the battlefield under your control this turn.
  2. Cast Seething Anger with its buyback cost by paying 3.
  3. Jeskai Ascendancy's first and second abilities trigger.
  4. Resolve the first Jeskai Ascendancy trigger, giving your creatures +1/+1 until end of turn and untapping them.
  5. Resolve the second Jeskai Ascendancy trigger, allowing you to loot.
  6. Resolve Seething Anger, giving the targeted creature +3/+0 and returning Seething Anger to your hand.
  7. Repeat.
Results
Infinite draw triggers. Infinite looting. Infinitely large creatures until end of turn. Infinite magecraft triggers. Infinite mana creatures you control can produce. Infinite red mana. Infinite self-discard triggers. Infinite storm count. Infinite untap of creatures you control.