mtg best room cards Dazzling Theater // Prop (Borderless) - Duskmourn: House of Horror (Your creatures can help cast those spells. TR&CI 147: Rooms - A

In the right deck (and there are a lot of them out there able to pull it off), this will go from a single creature the turn you cast it to 16 after a full rotation

Merlin - Intellectual Visionary - Legendary Next up we have the Merlin Legendary card, currently hitting highs of $80 in it's Foil version

To extend the effect of your song, this deck also includes Max Goof, Rebellious Teen that allows to get back a song from the discard by paying one Ink and Powerline, Worlds Greatest Rock Star that can play a song for free from the top four cards of the Players deck every after playing any other song

Bident of Thassa Not the Thassa card that usually gets all the hype, but Bident of Thassa is another newer way to get the Coastal Piracy effect for a mana less

The first one that comes to mind is, of course, Cori-Steel Cutter

My biggest miss in the list of best cards from Modern Horizons 3 was Phelia, Exuberant Shepherd, which turns out to be pretty nice in an aggro shell, and this card may very well go in that deck