Nadir Kraken + Symmetry Matrix + Mana Echoes

Prerequisites

• You have a way to draw a card.

Steps

1. 1Draw a card.
2. 2Nadir Kraken triggers, causing you to pay to put a +1/+1 counter on it, and to create a 1/1 Tentacle creature token.
3. 3The Tentacle enters the battlefield, triggering Mana Echoes and Symmetry Matrix.
4. 4Resolve the Mana Echoes, adding for each Tentacle you control.
5. 5Resolve the Symmetry Matrix trigger, causing you to pay to draw a card.
6. 6Repeat from step 2.

Effects

• Infinite card draw
• Infinite draw triggers
• Near-infinite +1/+1 counters on a creature
• Near-infinite colorless mana
• Near-infinite creature ETB
• Near-infinite creature tokens