They often correlate with big milestone events in Magic, like the launch of Secret Lair or successes with Universes Beyond, and weve even seen Heroes cards given to the teams that work on digital clients like Magic: Online and MTG Arena
An ill-informed, land-light hand can get completely obliterated by a turn-1 Strip Mine
Turn those extra draws into counters with Wizard Class or Teferi, Temporal Pilgrim, or even damage with Niv-Mizzet, the Firemind or Psychosis Crawler
The Cosima side of this DFC is a bit less exciting in this deck than she might be elsewhere due to the absence of Fabled Passage, a land that Im not keen to introduce to the manabase since it conflicts with Frost Augur, but Cosima has still done solid work for me just as an early body that nets a bit of card advantage if the game stalls out
Then you can also return two to the battlefield from your graveyard, and as you are churning through your deck discarding them, drawing two cards a pop, you'll easily have enough few to toss two onto the battlefield for free