Duraleon Necromech

You may choose to not untap any number of creatures you control during your untap step.
Duraleon Necromech is an artifact creature as
long as you control tapped creatures with total
power 6 or more.
If a tapped creature you control has flying,
Duraleon Necromech has flying. The same is
true for first strike, double strike, haste, lifelink, indestructible, menace, infect, reach, trample,
intimidate and vigilance.
Crew 4