Checksum Dragon [SDRR-EN006] Common World Championship Series you can either: Target 1

you can either: Target 1 "X-Head Cannon" you control

during your Standby Phase: You can inflict 300 damage to your opponent for each "Skyblaster" monster you control

then discard 1 monster from their hand (your choice)

Set: Crossed Souls Card type: Pendulum/Effect Monster Rarity: Common Attack: 1200 Defense: 600 If another face-up monster(s) you control is destroyed by battle with an opponent's attacking monster or by an opponent's card effect: You can draw 1 card for each "Performapal" monster you control

Checksum Dragon [SDRR-EN006] Common World Championship Series you can either: Target 1Set: Structure Deck: Rokket Revolt Card type: Effect Monster Rarity: Common Attack: 400 Defense: 2400 When an opponent's monster declares an attack: You can Special Summon this card from your hand, then, gain LP equal to half this card's DEF. This Attack Position card cannot be destroyed by battle.