After the first set of cards in Legends and a few other sprinklings, many of which established that gold cards would be consistently more powerful than their competition, gold came into its own in Invasion block
For just 4 mana, you get a 3/3 creature that can fetch any land card from your library and put it onto the battlefield
You'll see as you play this deck that it's just Evasive card after Evasive card, Rush attacker after Rush attacker
The cards from the subgame are shuffled back into the library regardless of where they were
Whenever another creature dealt damage this turn by a Spider you controlled dies, create a token that's a copy of that creature, except it's a Food artifact with ", , Sacrifice this token: You gain 3 life," and it loses all other card types