| Set | Date | Rarity | Treatment |
|---|---|---|---|
| OPCA #14 | 2016-11-25 | Common | Standard |
| OPC2 #11 | 2012-06-01 | Common | Standard |
No more than one creature can attack each combat.
No more than one creature can block each combat.
Whenever chaos ensues, Astral Arena deals 2 damage to each creature.