Autochthon Wurm

Creature - Wurm 9/14, 10WWGGG (15)
Convoke (Each creature you tap while casting this spell reduces its cost by {1} or by one mana of that creature's color.)

Trample¹
The trainer awoke to begin the journey from the wurm's tail to its head. The sun was setting when she arrived.
Illus. Michael Phillippi

Format Legality	Legal in Vintage, Legacy, Extended, MTGO Classic Banned in Standard
Printings (1/9)	Ravnica: City of Guilds (Rare)