Taigam, Master Opportunist + Clockspinning + Rise of the Eldrazi

Prerequisites

• You've cast exactly one spell this turn.

Steps

1. 1Cast Rise of the Eldrazi by paying its mana cost.
2. 2Taigam triggers, copying Rise of the Eldrazi and exiling the original Rise of the Eldrazi with four time counters on it.
3. 3Resolve the Rise of the Eldrazi copy, causing you to take an extra turn after this one.
4. 4Cast Clockspinning with buyback by paying , removing a time counter from Rise of the Eldrazi 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, Rise of the Eldrazi's suspend ability triggers, removing a time counter from it.
7. 7Cast Clockspinning with buyback by paying , removing a time counter from Rise of the Eldrazi and returning Clockspinning to your hand.
8. 8Rise of the Eldrazi'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