Alena, Kessig Trapper, Threaten, and Reiterate

Prerequisites

• Alena, Kessig Trapper on the battlefield
• Threaten in hand
• Reiterate in hand
• You control a creature with power seven or greater that has entered the battlefield this turn
• Alena does not have summoning sickness
• available

Steps

1. Cast Threaten by paying , targeting Alena
2. Holding priority, activate Alena by tapping it, adding at least seven
3. Cast Reiterate with buyback by paying , creating a copy of Threaten targeting Alena and returning Reiterate to your hand
4. Resolve the Threaten copy, untapping Alena and giving it haste until end of turn
5. Repeat from step 2
6. Once you have a large amount of , you may target opponent' creatures with the Threaten copies to take control of them

Results

• Gain control of all opponents' creatures until end of turn
• Infinite magecraft triggers
• Infinite mana creatures you control can produce
• Infinite red mana
• Infinite storm count
• Infinite untap of creatures you control