Apex Altisaur, Ajani's Presence, and Fall of Cair Andros

Prerequisites

• Apex Altisaur in hand
• Ajani's Presence in hand
• Fall of Cair Andros on the battlefield
• An opponent controls at least one creature
• available

Steps

1. Cast Apex Altisaur by paying
2. When Apex Altisaur enters the battlefield, its first ability triggers
3. Holding priority, cast Ajani's Presence by paying , giving Apex Altisaur and any creature an opponent controls +1/+1 and indestructible until end of turn
4. Resolve the Apex Altisaur trigger, causing Apex Altisaur to fight the indestructible creature the opponent controls
5. Apex Altisaur's second ability triggers, and Fall of Cair Andros triggers if the opposing creature's toughness is less than 0
6. Resolve the Fall of Cair Andros trigger, if applicable, causing you to put a number of +1/+1 counters on an Army you control equal to the excess damage
7. Resolve the Apex Altisaur trigger, causing it to fight the indestructible creature the opponent controls
8. Repeat from step 5

Results

• Infinite +1/+1 counters on an Army token