Tax Sweeper (Unknown Event #UU14b)

Tax Sweeper {2}{B}

Sorcery

Creatures get -X/-X until end of turn, where X is your highest commander tax among your commanders. (For example, if you’ve cast your one commander from your command zone twice, creatures get -4/-4 until end of turn.)

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny