altair mtg card Kelsien, the Plague | Secret Lair Kelsien deals 1 damage to target creature you don’t control ACR] Altair Ibn-La'ahad : r/magicTCG

"Legends with radical shift" is likely referring to the idea of having two copies of the same legend in the set, but with different subtitles and depicted in two different realities

The ink curve for this deck skews low , so lean into that and focus on holding cards you can play early and often

There are a couple of more tame effects (i.e., Crystal Fragments) that are technically DFCs though

While Flesh Carver is never going to be the best creature in the deck or the most powerful black creature possible for a given situation he might well be the best on average across all the decks and situations possible

Elvish Warmaster can grant Deathtouch, something that will make your opponent think twice before blocking (even if you decided not to pay the mana)

The excellent Blood for the Blood God