It may not seem like much, but having a single card force a Wrath of God or hold back an early Red aggro start was a huge deal when Green decks were trying to beat Counterspell and Fact or Fiction
Excellent cards for this deck are Priest of Urabrask and Oxidda Golem, which can come down for cheap and put six mana toward an emerge creature, Act of Treason effects, which allow you to sac your opponents creatures to pay for your spells, and Heat Shimmer effects, which will give you a token copy of a creature (which will have the original creatures mana value) to sacrifice
Well go over some now
However, vintage English cards (Base Set, Neo era) are significantly more valuable English Base Set Charizard trades at roughly 1.5 the Japanese version as of March 2026
As of this writing, there are only three other cards that come close to Goofys knightly power
It makes sense, then, to give them meld abilities - nothing says massive power like a massive card