Arena has a lot of ways to play dual-style Magic , which is one player versus one player (often referred to as 1v1)
Today we have our official first look at the Final Fantasy set, showing off the various DFCs for characters and sidequests, the face precon commanders, Summons as Saga creatures, and more iconic Final Fantasy elements
A brief overview: Delirium was first printed in Shadows over Innistrad, where it was designed to mimic a society being driven mad by eldritch forces, culminating in the emergence of Emrakul on the plane of Innistrad
If the Reality Shift results in a face-down Tangled Florahedron, you have the option to pay to get a face up Tangled Florahedron, but you will not have the option to play Haven of the Harvest
Combine some excellent Boros (white/red) cards in your deck that synergize with this ability, such as Defiant Strike or Fists of Flame, and you can give your creatures some nasty buffs and keywords as much as you like