Overwhelm

Sorcery, 5GG (7)
Convoke (Each creature you tap while casting this spell reduces its cost by {1} or by one mana of that creature's color.)
Creatures you control get +3/+3 until end of turn.¹
Let the song of Selesnya be heard above the rhythm of our thundering hordes!
Illus. Wayne Reynolds

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (1/10)	Ravnica: City of Guilds (Uncommon)