Blood Mefist [YCSW-EN004] Ultra Rare Phyrexian Construct then attack it with this

then attack it with this card

) Exile all nonland permanents that aren't legendary

as well as for building and customizing your starship

Set: Secret Lair Drop Series Type: Legendary Artifact Creature — Scarecrow Rarity: Mythic Cost: {2/W}{2/U}{2/B}{2/R}{2/G} ({2/W} can be paid with any two mana or with {W}

+1: Put three +1/+1 counters on up to one target noncreature land you control

Blood Mefist [YCSW-EN004] Ultra Rare Phyrexian Construct then attack it with thisSet: Yu Gi Oh! Championship Series Prize Cards Card type: Synchro Effect Monster Rarity: Ultra Rare Attack: 2800 Defense: 1300 1 Tuner + 1 or more non Tuner monsters Once per turn, during your opponent's Standby Phase: You can inflict 300 damage to your opponent for each card your opponent controls. Each time your opponent Sets a Spell or Trap Card(s): Inflict 300 damage to your opponent.