Natural Selection [Beta Edition] 138 When this card is Fusion

When this card is Fusion Summoned: You can change the ATK of all face-up monsters your opponent currently controls to 0

Special Summon it during the next turn's Standby Phase

Set: Turbo Pack: Booster Four Card type: Sea Serpent/Tuner Rarity: Super Rare Attack: 200 Defense: 400 When this card is Normal Summoned

Sacrifice Engineered Explosives: Destroy each nonland permanent with mana value equal to the number of charge counters on Engineered Explosives

then this card gains 500 ATK for each

Natural Selection [Beta Edition] 138 When this card is FusionSet: Beta Edition Type: Instant Rarity: Rare Cost: {G} Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle.