Listing is for a single booster box
When you cast Eldritch Evolution, you have to sacrifice a creature which, in turn, lets you search your library for a creature with a mana cost equal to the sacrificed creature plus two mana
The prime example of this would be a Twin deck that maindecks Dispel, which is effectively a 1 mana hard counter against many Burn spells, but is also useful against tons of other decks when the Twin pilot is protecting their combo
I just dont know why this wasnt erratad to have ferocious instead of the full text
However, Y could not block B and C, while X blocks A, since one defending creature can only block one attacking creature, or group of banded creatures
Entangled Characters, under the control of Ursula, make their debut with the Deep Trouble set, and these feature on a deck with a different, lighter coloured card back