Astera Dragon

1 Level 4 "Astera" monster + 1 monster with higher ATK (max. 500)
● Origin Space: Once per turn, if your opponent Special Summons a monster(s) (except during the Damage Step) (Quick Effect): You can target 1 of those monsters; it loses 1000 ATK until the end of this turn.
● Altered Space: Once per turn, if your opponent Special Summons a monster(s) while this monster is on the field: Destroy all Spells/Traps your opponent controls, also banish that opponent's Special Summoned monster(s).

1 Level 4 "Astera" monster + 1 monster with higher ATK (max. 500)
● Origin Space: Once per turn, if your opponent Special Summons a monster(s) (except during the Damage Step) (Quick Effect): You can target 1 of those monsters; it loses 1000 ATK until the end of this turn.
● Altered Space: Once per turn, if your opponent Special Summons a monster(s) while this monster is on the field: Destroy all Spells/Traps your opponent controls, also banish that opponent's Special Summoned monster(s).