Phyrexian Altar + Quillspike + Woodfall Primus

BG identity

Commander legal

The 3 combo pieces

• Phyrexian Altar
• Quillspike
• Woodfall Primus

What must be in place

Woodfall Primus does not have a -1/-1 counter on it.

How to execute it

1. Activate Phyrexian Altar by sacrificing Woodfall Primus, adding {B/G}.
2. When Woodfall Primus dies, its persist ability triggers, returning it to the battlefield from your graveyard with a -1/-1 counter on it.
3. Whe Woodfall Primus enters the battlefield, it triggers, targeting any noncreature permanent.
4. Holding priority, activate Quillspike by paying {B/G} and removing the -1/-1 counter from Woodfall Primus, giving Quillspike +3/+3 until end of turn.
5. Repeat.
6. You may also repeat this loop as desired during future turns to destroy any number of noncreature permanents.

What the combo produces

• Destroy all noncreature permanents opponents control each turn
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinitely large creature until end of turn
• Lock
• Mass Land Denial