mtg duskmourn room cards Rooms in MTG: Rules, History, and Best As a sorcery Mirror Room // Fractured Realm

That means you can either play them like normal as a land drop, or you can alternatively cast the adventure part of the card

If you can race or ignore them, ramp decks are nearly powerless against you

The restriction of only one target per turn is somewhat diminished by the fact that this card enables you to play green, and cards like Eternal Witness or Regrowth are very welcome recursion enablers in a deck that's already grindy by itself

Nova Hellkite Nova Hellkite is less like the ones above and more meta dependent

For many purposes, proxies like that may suit your demands

New cards like The Animus and Sigurd improve gameplay with legendary creatures and Sagas