mtg room cards TR&CI 147: Rooms (Your creatures can help cast those spells. DDR#827 - How do Rooms

It would have caused Jace, the Mind Sculptor to drop, too, had the card not been unbanned in Modern in conjunction with the reprint

Probably best in a spellslinging deck, but you could make use of the untapped hexproof or the ETB effect to your advantage

Not only will Teferi be uncounterable, but so will your spells after as long as Teferi is in play

We have two werewolves that do just that: Daybreak Ranger and, yes, Ulrich of the Krallenhorde, but Gruul has tons of excellent cards that enable fighting like Ulvenwald Tracker and the new Domri, Anarch of Bolas

Besides that it can grow on its own, which is guaranteed by its second ability that resolves at each of your end step