Yenna, Redtooth Regent + Second Wind + Estrid's Invocation + Creature that taps for 2+ mana

Prerequisites

• Creature that taps for 2+ mana

Steps

1. 1Activate the mana-producing creature by tapping it, adding at least .
2. 2Activate Yenna by paying and tapping it, creating a token copy of Estrid's Invocation. Choose to have Estrid's Invocation enter the battlefield as a copy of Second Wind attached to the mana-producing creature. Then, untap Yenna and scry 2.
3. 3Activate the Second Wind token's second ability by tapping it, untapping the mana-producing creature.
4. 4Repeat.

Effects

• Infinite scry