mtg gift cards of the Gargantuan Its controller creates a 3/3 green Elephant creature token MTG Gift - All cards

Madness has cropped up in multiple sets, including several Innistrad-based sets as a vampire typal mechanic, so you can go either way

Inspiring Paladin Rarity: Common TYPE: Creature SUBTYPE: Human Knight CMC: 3 Mana cost: USD: $0.15 EUR: 0.06 TIX: 0.03 EDHREC RANK: 11948 (3/3) During your turn, this creature has first strike

I think Triton becomes a banish on sight type character that will warp the metagame around him (similar to Ursula - Deceiver of All does nowadays)

10x Forest

Meanwhile, your own deck will be filled with counter cards that Atraxa makes many times better

Matzalantli, the Great Door | Illustration by Piotr Dura Descend is the in-game action of putting a permanent card into your graveyard from anywhere