Uyo, Silent Prophet +Harrow +Tatyova, Benthic Druid +

Infinite draw Infinite life Revised by CR

With Tatyova and Uyo on the battlefield, cast Harrow Retain priority, pay two mana and return two lands to your hand to copy Harrow with Uyo's ability Let the copy resolve, find two basic lands in your deck and place them on the battlefield Tatyova's ability will trigger, draw two cards and gain 2 life Tap the lands to add two mana and copy Harrow with Uyo again Repeat the process to draw cards equal to the number of lands in your deck.

Legallity