The Indianapolis Star
With split second, it cannot be traditionally answered since no spells can be cast until it resolves
A combination of its low frequency in packs, its typically high power level in the game, and high demand from both players and collectors
"Battle of the Planets, Magic: The Gathering, and Grimjack Updates from Joe Russo"
While 2 power may not present a particularly impressive offense, creatures have gotten considerably more powerful effects since 1999, offering everything from spot removal (Aether Channeler, Duergar Hedge-Mage) to utility (Anger, Dire Fleet Daredevil, various Clones) to infinite combo pieces (Kiki-Jiki, Mirror Breaker, Walking Ballista)
A quick reminder of how this will work: We're looking at each cards multiplayer effect, its power level, and whether or not its playable in a multitude of decks or just one