modern banned cards mtg With Jegantha in and Pioneer, 5/10 of the original IKO companions have been banned in at least one format, even after a historical power-level errata of the entire mechanic. Is Modern's Boogeymen: The Eight Scariest

Its more fairly priced than many of the other modular creatures, entering the battlefield as either a 5/5 or a 4/4 with haste

It'll give your Rats massive power and toughness boosts when it attacks, so long as you have a lot of Rats on the battlefield (which in Rat decks, you most certainly will)

Anything that gets players attacking, blocking, drawing cards, or generally speaking, playing Magic

You just need to be able to cast a Soul Sister and your commander and you have almost all the time in the world after that to draw what is needed to win

However, it also allows you to attack with much more immediacy, providing all creatures under your control with haste