mtg cards like act of treason Did we play and Sleep correctly in Magic the Gathering? It gains haste until end of turn. 4x Act of Treason Gatecrash

It really just represents a powerful activated ability, which is something any card or set can have

Get Started GN3 Sorcery Add for each tapped land your opponents control

But unlike Mutate which needed preemptive FAQs to explain all the corner cases it could generate outside of Standard these modal cards are blissfully intuitive

Blue also gives you access to some great artifact support like Emry, Lurker of the Loch

The creatures, Blighted Agent and Inkmoth Nexus, dont typically care about lines of creatures blocking the way, so all of the decks resources can focus on just assembling, protecting, or being the combo itself