Seasons Past + Temporal Manipulation + Scheming Symmetry

Seasons Past

Temporal Manipulation

Scheming Symmetry

How it works

1. Cast Seasons Past by paying 4, returning Temporal Manipulation, Scheming Symmetry, and any number of cards with different mana costs to your hand and putting Seasons Past on the bottom of your library.
2. Cast Scheming Symmetry by paying , putting Seasons Past on top of your library and allowing target player to put the card of their choice in their library on top of their library.
3. Cast Temporal Manipulation by paying 3, granting you an extra turn.
4. In the draw step of your next extra turn, draw Seasons Past.
5. Repeat each turn.