Medusa Worm [TLM-EN022] Common Psychic this card gains 200 ATK

this card gains 200 ATK until the End Phase

then you can Special Summon 1 "Blue-Eyes White Dragon" from your hand

and if it does

Set: Star Pack - Battle Royal Card type: Effect Monster Rarity: Common Attack: 500 Defense: 500 Once per turn: You can send 1 "Gem-Knight" or "Melodious" monster from your hand or Deck to the Graveyard

Set: Structure Deck: Cyber Dragon Revolution Card type: Continuous Trap Rarity: Common Attack: 0 Defense: 0 Activate this card by targeting 1 monster in your Graveyard

Medusa Worm [TLM-EN022] Common Psychic this card gains 200 ATKSet: The Lost Millennium Card type: Effect Monster Rarity: Common Attack: 500 Defense: 600 You can flip this card into face down Defense Position once per turn during your Main Phase. When this card is Flip Summoned successfully, destroy 1 monster on your opponent's side of the field.