Second Chance + Mirrormade + Estrid's Invocation

Prerequisites

• mana to cast it.
• 5 or less life.

Steps

1. 1On upkeep, Estrid's Invocation and Second Chance both trigger; resolve them in that order.
2. 2Flicker Estrid's Invocation; copy Second Chance.
3. 3(Invocation Second Chance ETBs after beginning of upkeep and does not have an extra turn trigger this turn).
4. 4Resolve the original Second Chance trigger; sacrifice it and take an extra turn.
5. 5During your main phase, cast Mirrormade as a copy of Invocation Second Chance, including Estrid's Invocation's upkeep trigger of Estrid's Invocation.
6. 6Move to your extra turn.
7. 7On upkeep, Invocation Second Chance and Mirror Second Chance both have the "flicker" trigger of Estrid's Invocation and the Second Chance extra turn trigger.
8. 8Order the triggers to resolve in that order.
9. 9Flicker Invocation, copying Mirror Second Chance, then flicker Mirror, copying Invocation Second Chance.
10. 10Resolve the extra turns triggers, sacrificing no permanents as both Invocation and Mirror are new objects.
11. 11Repeat for infinite turns.

Effects

• Infinite turns
• Lock