One Day of Peace is an absolute staple and should be run at 3 copies, no question
However, if the current planar controller would leave the game, instead the next player in turn order that wouldn't leave the game becomes the planar controller, then the old planar controller leaves the game
Untap the chosen permanents you control
Computer Search is the obvious safe option for a deck looking to assemble some cards, but Scoop Up Cyclone does three things for the deck
What's the difference between a single card, a pack, and the MEGA card
In a surprising number of games, the battlefield gums up and youre sitting with a huge/huge Champion of the Parish or Ajanis Pridemate or a mess of Genesis Chamber Myrs, and this little guy tears the game open