There are two decks to choose from in Chapter 4, an Amber & Amethyst deck themed around the Madrigals, and a Sapphire & Steel deck that is sort of Frozen-themed but a bit all over the place
You play a Mountain, pass, play a Mountain next turn, cast Ashling, nobody sees anything wrong with it
7 Pikachu & Zekrom 2 Pikachu & Zekrom GX Tag Team 2 Mewtwo & Mew GX Tag Team 4 Boltund V 4 Speed Energy 4 Switch 1 Eldegoss V The Pikachu & Zekrom Tag Team card is pretty powerful right now in Standard, but this Electric-type deck is managing to dominate the Expanded metagame as well thanks to a lot of general efficiency
It's not terrible late either, as the extra body it provides might just give you the damage you need to do lethal
114 | Return a creature card put into a graveyard this way to the battlefield under your control
That's the most common archetype in Commander according to EDHREC.com Control - Need a win con that can kill faster with toxic in a control deck in your land base