Number 50: Blackship of Corn [YZ02-EN001] Ultra Rare

2 Level 4 monsters
Once per turn: You can detach 1 Xyz Material from this card, then target 1 face-up monster your opponent controls with ATK less than or equal to this card's; send it to the Graveyard, and if you do, inflict 1000 damage to your opponent. This card cannot attack the turn you activate this effect.