fireball mtg card [International Collectors' Edition] among any number of target creatures and/or players Vintage Magic: The Gathering Fireball

When a Siege battle enters the battlefield, its controller chooses a protector

Its at minimum a playable cantrip, and sometimes well be able to knock a player or two out of the park

It works well considering things like Vault 75: Middle School where you dont want your creatures to be permanently bigger

Aragorn, King of Gondor Archivist of Gondor Archon of Coronation Azure Fleet Admiral Canal Courier Champions of Minas Tirith Coin of Fate Court of Ambition Court of Ardenvale Court of Bounty Court of Cunning Court of Embereth Court of Garenbrig Court of Grace Court of Ire Court of Locthwain Court of Vantress Crimson Fleet Commodore Crown of Gondor Crown-Hunter Hireling Custodi Lich Dawnglade Regent Denethor, Stone Seer Emberwilde Captain Entourage of Trest Fall from Favor Faramir, Steward of Gondor Fealty to the Realm Feast of Succession Fight for the Throne Forth Eorlingas

Experimental Synthesizer might be a reach, but the idea of the ghost rocking out hard is so fun Ill absolutely try it

When this flying 6/6 creature card enters the battlefield, all other creatures the player controls gain flying and +1/+1 for each creature controlled