The Tenth Doctor + Taigam, Master Opportunist + Time Stretch + Self-Suspending Instant or Sorcery

Prerequisites

• You have enough mana to cast Time Stretch and the self-suspending card, if needed, during the first turn.
• You have a storm count of 1 if the self-suspending card is not in your hand, or a storm count of 0 otherwise.
• Self-Suspending Instant or Sorcery

Steps

1. 1Cast 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. 2Cast Time Stretch by paying its mana cost.
3. 3Taigam triggers, copying Time Stretch and then exiling it with four time counters on it and giving it suspend.
4. 4Resolve the copy of Time Stretch, causing you to take two extra turns after this one.
5. 5Move to your first extra turn. At the beginning of that turn's upkeep, Time Stretch and the self-suspending card's suspend abilities trigger, removing a time counter from each of them.
6. 6Move to your second extra turn. At the beginning of that turn's upkeep, Time Stretch and the self-suspending card's suspend abilities trigger, removing a time counter from each of them.
7. 7Activate The Tenth Doctor by paying , removing three time counters from Time Stretch and the self-suspending card, triggering their suspend abilities.
8. 8Resolve 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. 9Resolve the Time Stretch's suspend trigger, causing you to cast it from exile without paying its mana cost.
10. 10Repeat from step 3.

Effects

• Infinite turns
• Lock