Arcanis the Omnipotent + Tolarian Kraken + Greenweaver Druid

Arcanis the Omnipotent

Tolarian Kraken

Greenweaver Druid

How it works

1. Activate Greenweaver Druid by tapping it, adding .
2. Activate Arcanis's first ability by tapping it, causing you to draw three cards.
3. Tolarian Kraken triggers three times. Resolve the first two triggers, causing you to pay 2 to untap Arcanis and Greenweaver Druid.
4. Resolve the last Tolarian Kraken trigger, choosing not to pay.
5. Repeat.