Oblivion Ring + Detention Sphere + Archon of Sun's Grace + Copy Enchantment

Prerequisites

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Steps

1. 1Cast Copy Enchantment by paying , causing it to enter the battlefield as a copy of Oblivion Ring.
2. 2When Copy Enchantment enters the battlefield, its first ability and Archon of Sun's Grace trigger.
3. 3Resolve the Archon of Sun's Grace trigger, creating a 2/2 Pegasus creature token.
4. 4Resolve the Copy Enchantment trigger, exiling Oblivion Ring.
5. 5When Oblivion Ring leaves the battlefield, its second ability triggers, returning Detention Sphere from exile to the battlefield.
6. 6When Detention Sphere enters the battlefield, its first ability and Archon of Sun's Grace trigger.
7. 7Resolve the Archon of Sun's Grace trigger, creating a 2/2 Pegasus creature token.
8. 8Resolve the Detention Sphere trigger, exiling Copy Enchantment.
9. 9When Copy Enchantment leaves the battlefield, its second ability triggers, returning Oblivion Ring from exile to the battlefield.
10. 10When Oblivion Ring enters the battlefield, its first ability and Archon of Sun's Grace trigger.
11. 11Resolve the Archon of Sun's Grace trigger, creating a 2/2 Pegasus creature token.
12. 12Resolve the Oblivion Ring trigger, exiling Detention Sphere.
13. 13When Detention Sphere leaves the battlefield, its second ability triggers, returning Copy Enchantment from exile to the battlefield as a copy of Oblivion Ring.
14. 14Repeat from step 2.

Effects

• Infinite creature ETB
• Infinite creature tokens