Consider playing these cards if you have a very expensive commander or lots of cards that benefit from extra mana, like Exsanguinate or Rite of Replication
"Don't worry guys, I'm just going to counter this with Arcane Denial so we all draw cards!" This fuels the overall card flow while stopping only a single opponent's key spell
Technically, you can adapt as often as youd like, it just doesnt do anything if theres a +1/+1 counter on the card
Selvala's Stampede basically tells players to choose whether you get random creatures from the top of your library or permanents from your hand, and theyre also in charge of deciding how many of each you get
Mana typically has a color, one of five: White (W), Blue (U), Black (B), Red (R), or Green (G)
When previewed, there was plenty of discourse on whether the card should be legal given how much it shuts off your Commander