17%inclusion 15%synergy 971 decks 5.66K decks Fierce Guardianship 17%inclusion -1%synergy 517 decks 3.13K decks Akroma's Will 16%inclusion 6%synergy 248 decks 1.58K decks Displace 15%inclusion 14%synergy 473 decks 3.13K decks Deadly Rollick 14%inclusion 0%synergy 1.04K decks 7.18K decks Beast Within 14%inclusion -19%synergy 21 decks 147 decks Despark 14%inclusion 1%synergy 219 decks 1.57K decks Malakir Rebirth 14%inclusion 5%synergy 979 decks 7.18K decks Void Rend 13%inclusion -1%synergy 8 decks 60 decks Enlightened Tutor 12%inclusion -3%synergy 187 decks 1.58K decks Planar Incision 12%inclusion 10%synergy 371 decks 3.13K decks Infernal Grasp 11%inclusion 4%synergy 823 decks 7.18K decks Generous Gift 11%inclusion -9%synergy 179 decks 1.58K decks Utter End 10%inclusion 6%synergy 164 decks 1.57K decks Revitalizing Repast 10%inclusion 2%synergy 15 decks 145 decks Putrefy 10%inclusion -6%synergy 15 decks 145 decks Fell the Profane 10%inclusion 1%synergy 739 decks 7.18K decks Swan Song 10%inclusion -8%synergy 319 decks 3.13K decks Kill

Cards like Sol Ring, The Ozolith and Shadowspear compete for space on a list for whatever color we look at
Commanders like Kami of the Crescent Moon, Kwain, Itinerant Meddler, and Ms
And since you're probably doing that a lot as a red mage, you should consider any of them for your commander deck
The word play indicates that you'll be able to play lands, but if the ability had used the word "cast", lands would simply stay in exile
Titanias Command Titania's Command feels very underwhelming overall