Blaze Accelerator [CP06-EN005] Super Rare Astral Pack 5 you can pick 1 random

you can pick 1 random card in your opponent's hand and call what type of card it is (Monster

Set: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Common Attack: 0 Defense: 0 When this card you control is destroyed by battle and sent to your Graveyard

You can Tribute this card to negate the activation of a Spell Card

or Special Summoned during the turn a Thunder monster's effect was activated in the hand

Blaze Accelerator [CP06-EN005] Super Rare Astral Pack 5 you can pick 1 randomSet: Champion Pack 6 Card type: Continuous Spell Rarity: Super Rare Attack: 0 Defense: 0 You can send 1 Pyro Type monster with 500 or less ATK from your hand to the Graveyard to destroy 1 monster your opponent controls, but you cannot declare an attack during this turn if you do.