It discourages players from diversifying their Delver builds by limiting their colour choices and empowers Reanimator strategies to be incredibly resilient, often disregarding the graveyard
He was literally the biggest, scariest creature in the game in 1993, and with both Animate Dead and Dark Ritual in the first set, he could hit the battlefield well before turn seven, so he was a very in-demand card
Upon being cast, Kroxa causes each opponent to discard a card, dealing three damage to those who chose to discard a land
On the play I would almost always have a counterspell that had more potential targets even if it cost two
You know your collection is in good hands here
Drawing cards or doming them when youre on deaths door may not be good enough