Day of the Dragons
Enchantment
When this enchantment enters, exile all creatures you control. Then create that many 5/5 red Dragon creature tokens with flying.
When this enchantment leaves the battlefield, sacrifice all Dragons you control. Then return the exiled cards to the battlefield under your control.
Printings & Conditions (4)
Commander 2015 (C15)(Commander 2015)#91Rare
Iconic Masters (IMA)(Iconic Masters)#49Rare
Kaldheim Commander (KHC)(Commander 2021 Kaldheim)#38Rare
Scourge (SCG)(Scourge)#31Rare