The Tenth Doctor, Taigam, Master Opportunist, and Twice Upon a Time // Unlikely Meeting

Prerequisites

• The Tenth Doctor on the battlefield
• Taigam, Master Opportunist on the battlefield
• Twice Upon a Time // Unlikely Meeting in hand
• undefined each extra turn available

Steps

1. Cast the self-suspending card by paying its mana cost if its in your hand, or any other spell otherwise if you have not cast a spell this turn
2. Cast Twice Upon a Time by paying its mana cost
3. Taigam triggers, copying Twice Upon a Time and then exiling it with four time counters on it and giving it suspend
4. Resolve the copy of Twice Upon a Time, causing you to take an extra turn after this one
5. Move to your next turn
6. At the beginning of that turn's upkeep, Twice Upon a Time and the self-suspending card's suspend abilities trigger, removing a time counter from each of them
7. Activate The Tenth Doctor by paying , removing three time counters from Twice Upon a Time and the self-suspending card, triggering their suspend abilities
8. Resolve the self-suspending card's suspend trigger, causing you to cast it from exile without paying its mana cost, and eventually exile it with time counters on it
9. Resolve the Twice Upon a Time's suspend trigger, causing you to cast it from exile without paying its mana cost
10. Repeat from step 3

Results

• Infinite turns