Aron, the Ogdoadic King (Collector's Rare) [ANGU-EN007] Collector's Rare BT4-078 You can only use this

You can only use this effect of "Graydle Slime" once per turn

Set: EX: Battle Stadium Type: Fire Rarity: Common Retreat cost: Colorless

by banishing them

Set: 2017 Mega-Tins Mega Pack Card type: Continuous Spell Rarity: Ultra Rare When a "D/D/D" monster of the below card type is Special Summoned from the Extra Deck to your field: You can activate the appropriate effect once per turn

Aron, the Ogdoadic King (Collector's Rare) [ANGU-EN007] Collector's Rare BT4-078 You can only use thisSet: Ancient Guardians Card type: Effect Monster Rarity: Collector's Rare Attack: 2500 Defense: 2800 If this card is in your GY: You can Tribute 2 monsters; Special Summon this card. If your opponent adds a card(s) to their hand (except during the Draw Phase or Damage Step): You can send 1 random card from their hand to the GY. If a monster(s) your opponent controls is sent to the GY (except during the Damage Step): You can add 1 LIGHT or DARK Reptile