Add to this the initial stock problems Ravensburger faced, and its clear why these cards are so prized
There is always enough to combat these combos, take Teferi, Time Raveler or Chalice of the Void, which both provide strong and efficient answers to any Cascade-shenanigans
What colors are MTG Sacrifice cards
Ghalta and Mavren is an exception because it combines the abilities of both legendary creatures
Her plus ability protects herself, giving a creature -2/-1 until your next turn, sometimes removing a creature from combat, sometimes straight-up destroying it
In an all-preconstructed deck metagame, everyone is playing less than optimal decks with some less-than-powerful cards