Chromium

Legendary Creature - Elder Dragon 7/7, 2WWUUBB (8)
Flying
Rampage 2 (Whenever this creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)
At the beginning of your upkeep, sacrifice Chromium unless you pay {W}{U}{B}.¹
Illus. Edward P. Beard, Jr.

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (2/3)	Chronicles (Rare) Legends (Rare)