Zombie Boa

Creature - Zombie Snake 3/3, 4B (5)
{1}{B}: Choose a color. Whenever Zombie Boa becomes blocked by a creature of that color this turn, destroy that creature. Activate this ability only any time you could cast a sorcery.¹
It doesn't need to feed, but still it hungers.
Illus. Greg Staples

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (1/6)	Apocalypse (Common)