Echocasting Symposium + Possessed Skaab + Time Walk

Mana needed: {1}{U} each turn

UB identity

The 3 combo pieces

• Echocasting Symposium
• Possessed Skaab
• Time Walk

How to execute it

1. Cast Time Walk by paying its mana cost, causing you to take an extra turn after this one.
2. Move to your next turn. At the beginning of your precombat main phase, Echocasting Symposium's paradigm ability triggers, causing you to cast a copy of it from exile.
3. Resolve the copy, creating a token copy of Possessed Skaab
4. When the Possessed Skaab token enters, it triggers, returning Time Walk from your graveyard to your hand.
5. Repeat.

What the combo produces

• Infinite turns
• Lock