Animar, Soul of Elements + Marang River Prowler + Ominous Roost + Phyrexian Altar

GUR identity

Commander legal

The 4 combo pieces

• Animar, Soul of Elements
• Marang River Prowler
• Ominous Roost
• Phyrexian Altar

What must be in place

Animar has at least two +1/+1 counters on it.

How to execute it

1. Activate Phyrexian Altar by sacrificing Marang River Prowler, adding {U}.
2. Cast Marang River Prowler from your graveyard for {U}.
3. Ominous Roost triggers, creating a 1/1 Bird creature token.
4. Repeat.

What the combo produces

• Infinite +1/+1 counters on a creature
• Infinite colored mana
• Infinite creature LTB
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinite storm count