Hieratic Seal of the Heavenly Spheres (Quarter Century Secret Rare) (RA02-EN039) - 25th Anniversary Rarity Collection II 1st Edition Number_LCYW-EN004 or a face-up non-Effect Monster:

or a face-up non-Effect Monster: You can Special Summon this card from your hand

The ATK of 1 face-up monster on the field becomes 2000 until the End Phase of this turn

Your opponent cannot activate Spell/Trap Card in response to this effect's activation

Card TextRemove from play all cards in your hand and on your side of the field

Inflict 300 points of damage to your opponent's Life Points for each card that is sent to the Graveyard by this effect

Hieratic Seal of the Heavenly Spheres (Quarter Century Secret Rare) (RA02-EN039) - 25th Anniversary Rarity Collection II 1st Edition Number_LCYW-EN004 or a face-up non-Effect Monster:TypeDragon Link Effect Monster AttributeLIGHT Card Text2 Dragon monsters Once per opponent's turn, if this card is in the Extra Monster Zone (Quick Effect): You can Tribute 1 monster from your hand or field; return 1 face up card on the field to the hand. If this card is Tributed: Special Summon 1 Dragon monster from your hand or Deck, and make its ATK DEF 0. You can only use this effect of "Hieratic Seal of the Heavenly Spheres" once per turn.