Prof Oaks Research (98/112) (2004 2005) [Professor Program Promos] RC3 you can select and activate

you can select and activate 1 of these effect: •Destroy Spell or Trap Cards on the field up to the number of "Elemental Hero" and "Destiny Hero" monsters you control (not counting this card)

This card gains 1000 ATK for each Continuous Trap Card in your Graveyard

or is destroyed by an opponent's card effect while in its owner's Monster Zone: You can add 1 FIRE monster with 1500 or less DEF from your Deck to your hand

If a "Toon World(s)" you control would be destroyed by card effect

You can only use this effect of "Ascension Sky Dragon" once per turn

Prof Oaks Research (98/112) (2004 2005) [Professor Program Promos] RC3 you can select and activateSet: Professor Program Promos Type: Supporter Rarity: Promo