Foundations: Kiora, The Rising Tide Runner-Up: Boltwave Foundations is a set designed to be the backbone of Standard, with the cards having a five-year legality as opposed to the normal three
Notably, if that loyalty ability creates creature tokens, those creatures won't be on the battlefield yet to get +2/+2 and gain vigilance
There's no blood, gore, or even knives showing, and the piece is all the more effective for it
People decry it as a card that slows the game down, but the same can be said of any board wipe that blasts the table back to the opening turns

Vehicle/Spacecraft Commanders Shorikai, Genesis Engine 0decks RMS Titanic 0decks The Regalia 0decks Esika's Chariot 0decks The Indomitable 0decks Jackdaw 0decks The Prydwen, Steel Flagship 0decks Golden Argosy 0decks Weatherlight Compleated 0decks The Last Ride 0decks The Belligerent 0decks The Falcon, Airship Restored 0decks Parhelion II 0decks Grond, the Gatebreaker 0decks The Fantasticar 0decks The Thanos-Copter 0decks Weatherlight 0decks The Fire Nation Drill 0decks The Lunar Whale 0decks Bessie, the Doctor's Roadster 0decks Skysovereign, Consul Flagship 0decks Heart of Kiran 0decks Adrestia 0decks Valor's Flagship 0decks The Prima Vista 0decks Damocles Base, Sword of Kang 0decks Spacecraft Commanders Hearthhull, the Worldseed 0decks Inspirit, Flagship Vessel 0decks Infinite Guideline Station 0decks Dawnsire, Sunstar Dreadnought 0decks The Seriema 0decks U.S.S