When Wrath of God left rotation, Day of Judgment took its place as the four mana sweeper and set the trend for white board wipes to be at that mana cost
So, when a card like this comes along that seemingly breaks that mold, players are understandably a bit nervous about what it could mean for the game as a whole
Creatures you control gain vigilance until end of turn
Passively gaining life from trades and removal could buy you time to use The Crystals powerful exile mode, giving you powerful inevitability
If damage dealt by a Wizard you control is being divided or assigned among multiple permanents and/or players, that damage is divided or assigned before doubling
If youre interested in powerful things, though, I do have one quick honorable mention before I get to my Top 10 for broader Cubeability Now lets get to the list