In Commander, where mana values are generally higher, its even more important
If you discard an Energy card from your hand, use Radiant Greninjas Concealed Cards ability and draw 2 more cards
Many a player has unwisely split a Fact or Fiction the wrong way, losing the game on the spot
When it's defeated, exile it, then cast it transformed.) When Invasion of Kaladesh enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying
Before we had the full preview, this had me wondering if there would be ten tournament-legal cards worth discussing from the set, which would make for a pretty interesting breakdown, but ultimately too many of the acorn-stamped cards caught my eye, while not enough of the more mundane tournament cards did to go down that road