Hi-Speedroid Puzzle [SHVI-EN050] RareSet: Shining Victories Card type: Synchro Effect Monster Rarity: Rare Attack: 1300 Defense: 1600 1 Tuner + 1 or more non Tuner Synchro Monsters At the start of the Damage Step, when this card battles a Special Summoned monster: You can make this card's ATK become double its current ATK until the end of the Damage Step. Once per turn, during the End Phase, if this card is in the Graveyard because this Synchro Summoned card was sent there from the field