Katara, Bending Prodigy + Ashnod's Altar + Nadir Kraken + Anointed Procession + Biomancer's Familiar

Prerequisites

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Steps

1. 1Activate Katara by paying at most due to Biomancer's Familiar, causing you to draw a card.
2. 2Nadir Kraken triggers, causing you to pay to put a +1/+1 counter on it and create two creature tokens.
3. 3Activate Katara by paying at most and tapping the creature tokens.
4. 4Holding priority, activate Ashnod's Altar twice by sacrificing the creature tokens, adding .
5. 5Resolve the Katara ability, causing you 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 LTB
• Near-infinite creature sacrifice triggers
• Near-infinite creature tokens
• Near-infinite death triggers