Blood Mefist [YCSW-EN004] Ultra Rare Phyrexian Construct then you can Special Summon

then you can Special Summon this monster from your hand or Deck

mainly because they don't live long

The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard

as well as for building and customizing your starship

then attack it with this card

Blood Mefist [YCSW-EN004] Ultra Rare Phyrexian Construct then you can Special SummonSet: 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.