Cyber Dragon Core (Quarter Century Secret Rare) (RA04-EN013) - Quarter Century Stampede 1st Edition Number_DPCT-ENY07 and either add it to

and either add it to your hand or place it on top of your Deck

If a card in the Spell & Trap Zone is Special Summoned to the Monster Zone (except during the Damage Step): You can target 1 Spell/Trap your opponent controls

except "tellarknight" monsters

negate that opponent's face-up monster's effects

you can select and destroy up to 3 Spell or Trap Cards on the field

Cyber Dragon Core (Quarter Century Secret Rare) (RA04-EN013) - Quarter Century Stampede 1st Edition Number_DPCT-ENY07 and either add it toTypeMachine Effect Monster AttributeLIGHT Level Rank2 ATK DEF400 1500 Card TextThis card's name becomes "Cyber Dragon" while on the field or in the GY. If this card is Normal Summoned: Add 1 "Cyber" Spell Trap from your Deck to your hand. If only your opponent controls a monster: You can banish this card from your GY; Special Summon 1 "Cyber Dragon" monster from your Deck. You can only use 1 "Cyber Dragon Core" effect per turn, and only once that turn.