Steamroid [DR04-EN008] Rare Shonen Jump Magazine Promos it is destroyed and sent

it is destroyed and sent to the Graveyard during the End Phase

If this card is Synchro Summoned using a Pendulum Summoned Pendulum Monster Tuner: You can target 1 card in your Graveyard

When this monster is Special Summoned

Increase the ATK of this card by 300 points for each "Dark Magician" or "Magician of Black Chaos" in either player's Graveyard

Set: Astral Pack 1 Card type: Tuner Monster Rarity: Super Rare Attack: 400 Defense: 1800 During either player's turn

Steamroid [DR04-EN008] Rare Shonen Jump Magazine Promos it is destroyed and sentSet: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Rare Attack: 1800 Defense: 1800 If this card attacks an opponent's monster, this card gains 500 ATK during the Damage Step only. If this card is attacked by an opponent's monster, this card loses 500 ATK during the Damage Step only.