Kagune

{t} {x} Equip
If you pay {2} for {x}, equip to target creature and
give that creature first strike and +2/+0.
If you pay {4} for {x}, equip to target creature and
give that creature trample and +3/+2.
If you pay {8} for {x}, equip to target creature and
give that creature +3/+3 and flying.
If you pay {10} for {x}, equip to target creature and
give that creature +7/+7 and give it trample,
first strike and death touch