Endoskeleton

Artifact, 2 (2)
You may choose not to untap Endoskeleton during your untap step.

{2}, {T}: Target creature gets +0/+3 for as long as Endoskeleton remains tapped.¹
Illus. Mark Tedin

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard, MTGO Classic
Printings (1/6)	Urza's Saga (Uncommon)