Grafted Flagship

{2}: Grafted Flagship gets +1/-1 until end of turn.
Whenever Grafted Flagship is crewed, if it was
crewed by a creature with power greater than its
base power, it gains trample and hexproof until
end of turn.
Crew 3 (Tap any number of creatures you control
with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)
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Kyoniq added leviathan parts to it for power.