Extus, Oriq Overlord // Awaken the Blood Avatar, Waves of Aggression, and Dryad Arbor

Prerequisites

• Extus, Oriq Overlord // Awaken the Blood Avatar on the battlefield
• Waves of Aggression in the graveyard
• Dryad Arbor in hand
• You control any number of creatures that can tap to produce at least
• The mana-producing creatures cannot be blocked and killed by an opponent
• available

Steps

1. Declare the mana-producing creatures as attackers
2. Move to your postcombat main phase
3. Cast Waves of Aggression from your graveyard for its retrace cost by paying and discarding Dryad Arbor
4. Extus triggers, returning Dryad Arbor to your hand from your graveyard
5. Resolve Waves of Aggression, untapping all creatures that attacked this turn, and causing you to get an additional combat and main phase after this one
6. Activate the mana-producing creatures by tapping them, adding at least
7. Repeat from step 2

Results

• Infinite combat phases
• Infinite magecraft triggers
• Infinite self-discard triggers
• Infinite storm count