For three mana, Bruvac is a Blue 1/4 that simply doubles the number of cards your opponents mill when they do so
This can potentially provide a massive swing in power, giving you the best nonland cards in every player's deck
If I have, lets say, Exploration in play, and Ive already played my two lands in a turn, blinking Exploration wont raise the 2-land limit per turn to three
P/T Number 191 Language English Legal Formats Commander, Legacy, Modern, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Pauper, Pioneer, Standard, Timeless Rulings (1/12/2024) Izzet Guildmage's abilities can copy any instant or sorcery spell with an appropriate mana value, not just one with targets
How does the Fork + Kalamax, the Stormsire combo work