Sivvi's Ruse

Instant, 2WW (4)
If an opponent controls a Mountain and you control a Plains, you may cast Sivvi's Ruse without paying its mana cost.
Prevent all damage that would be dealt this turn to creatures you control.¹
Illus. Kev Walker

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