And, yeah, judging by the Wilds of Eldraine printing, which was also part of a bonus sheet ( Enchanting Tales ), these are actually the expected prices even well after the set's hype dies down
Krrik essentially only costs 4 Mana to cast, by paying 6 life to get Phyrexian Mana
As a dedicated "Summon"-centric legend, Yuna seems like fertile ground for open potential in deckbuilding
Vraskas Fall Like Prologue to Phyresis, you get some marginal benefit from Vraska's Fall in EDH because your opponents will sacrifice their worst creature to this edict effect, but it'll also give them a poison counter to start proliferating
It's unclear whether this was the most necessary of the Slivers, but it was the one that frustrated the most opposing plans to deal with the problem and even opened up new game plans when the card advantage resulting from saving your creatures could allow Sliver decks to go the control route when backed up by counters and removal spells
Its very similar to Sapphire Drake