Transformers associate this color with the Decepticon cause
Single-target removal is strong these days, and Rebbec does a lot to combat it
Take it slow and think it out, as its a good matchup
There's some great new protection spells in this collection too, like Legolas' Quick Reflexes, which gives Split Second Hexproof, for the creature you really want to save, or Courageous Resolve which cantrips, and can come in clutch in the last turn or two of a game
If there ever ends up being Legendary Pokmon that Ditto hides as their stickers alone will probably be highly collectible
Mana Echoes , recently reprinted in the Double Master set, allows the player to get a lot of colorless mana when they put creatures onto the battlefield, helping to fuel expensive spells (or recast Purphoros for the third or fourth time)