Or the Soapnapper
Eden, Seat of the Sanctum Having a land that does something later in the game is a useful tool to mitigate flood, so I doubt Eden, Seat of the Sanctum is utterly unplayable
While most of the double strike is in red/white, making such a marriage unlikely, there is one card that might give us reason to employ the double strike + Grotesque Mutation combo
When it enters, creatures get -X/-X, which can wipe tokens or shrink larger threats into range
Fabled will rotate cards out of legal play Fabled will rotate cards out of legal play Long-time trading card game players will be familiar with card rotations, when specific cards are no longer allowed in competitive play under certain rules
And, as is a running theme amongst white creatures, the Grand Abolisher is big enough to be pulled back with a Reveillark or Sun Titan to continually cause problems