Doom's Time Platform + Shivan Sand-Mage + Time Warp + Elrond, Moon-Reader Combo

Time Warp in your graveyard.

All other permanents on the battlefield.

You control a creature that can attack and that cannot be blocked or killed by an opponent.

each turn available

Declare any creature as an attacker. When you do, Doom's Time Platform triggers, exiling Time Warp from your graveyard with two time counters on it.

Blink Shivan Sand-Mage using Elrond.

When Shivan Sand-Mage enters, it triggers, removing two time counters from Time Warp.

Time Warp's suspend ability triggers, causing you to cast it without paying its mana cost.

Resolve Time Warp, causing you to take an extra turn after this one.

Repeat each turn.

Infinite turns

Lock