Alchemy is one example, as you wont be able to play it on Magic Online or in paper
"I'm curious what a new version of Foundations would even entail?"
Creature decks got a huge buff with the Alchemy changes, and this deck eats midrange and creature decks for breakfast
They copy themselves for each spell cast before it, so it's possible to cast enough spells to burn all your opponents with Grapeshot, or mill them all with Brain Freeze if you're able to cast a ton of spells in one turn (made easier with the Hullbreaker Horror combo)
Gift Bundle Sink your teeth into 8 set boosters, one Collector Booster, an oversized spindown life counter, a bundle exclusive promo card and more
(To mill four cards, a player puts the top four cards of their library into their graveyard.) Travel the Overworld Rarity: Uncommon TYPE: Sorcery SUBTYPE: - CMC: 7 Mana cost: USD: $0.19 EUR: 0.09 TIX: 0.03 EDHREC RANK: 9840 Affinity for Towns (This spell costs less to cast for each Town you control.) Draw four cards