Goil, Rusting Skylord

Goyle doesn't untap during your untap step.
Other Gargoyles you control get +1/+1 and have indestructible.
Sacrifice another artifact creature: Put a +1/+1 counter on Goyle. It gains indestructible until end of turn. Untap Goyle.
{2}: Goyle gains flying until end of turn.