Taigam, Master Opportunist + Clockspinning + Time Stretch

Prerequisites

• You've cast exactly one spell this turn.

Steps

1. 1Cast Time Stretch by paying its mana cost.
2. 2Taigam triggers, copying Time Stretch and exiling the original Time Stretch with four time counters on it.
3. 3Resolve the Time Stretch copy, causing you to take two extra turns after this one.
4. 4Cast Clockspinning with buyback by paying , removing a time counter from Time Stretch and returning Clockspinning to your hand.
5. 5Repeat step 4 one additional time.
6. 6Move to your next turn. At the beginning of your upkeep, Time Stretch's suspend ability triggers, removing a time counter from it.
7. 7Cast Clockspinning with buyback by paying , removing a time counter from Time Stretch and returning Clockspinning to your hand.
8. 8Time Stretch's suspend ability triggers, causing you to cast it from exile without paying its mana cost.
9. 9Repeat from step 2.

Effects

• Infinite turns
• Lock