Hardened Tactician + The Watcher in the Water + Jaheira, Friend of the Forest + Concordant Crossroads

Prerequisites

• You control a token.
• It is an opponent's turn.

Steps

1. 1Activate Hardened Tactician by paying and sacrificing a token.
2. 2If you sacrificed a Tentacle, The Watcher's second ability triggers if the creature token was a Tentacle, untapping a Kraken and putting a stun counter on up to one nonland permanent.
3. 3Resolve the Hardened Tactician ability, causing you to draw a card.
4. 4The Watcher's first ability triggers, creating a 1/1 Tentacle creature token.
5. 5Activate the Tentacle by tapping it, adding .
6. 6Repeat.

Effects

• Infinite card draw
• Infinite draw triggers
• Near-infinite creature ETB
• Near-infinite creature LTB
• Near-infinite creature sacrifice triggers
• Near-infinite death triggers
• Near-infinite untap of some creatures you control