How it works
Prerequisites
- You have a way to draw a card.
Steps
- 1Draw a card.
- 2Nadir Kraken triggers, causing you to pay to put a +1/+1 counter on Nadir Kraken and create a 1/1 Tentacle creature token.
- 3The Tentacle enters the battlefield, triggering Dire Undercurrents' first ability.
- 4Holding priority, activate Ashnod's Altar by sacrificing the Tentacle, adding .
- 5Resolve the Dire Undercurrents trigger, causing you to draw a card.
- 6Repeat from step 2.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?