mtg starter deck commander – Psycho Turtle Collectibles a summary of the rules for playing Commander Commander Starter Decklists Revealed -

Both of these abilities are exactly what a Boros deck wants to do

Against Aggressive decks, Karn, Treasure Map, and Arch of Orazca are enough to generate card advantage in the matchup

Can Death and Taxes still annoy opponents out of the game without Aether Vial

Amethyst Shimmering Skies brings a decent set of cards to Amethyst, expanding on the things it does best

Emeralds best ink combo: Pair Emerald with Steel to control the battlefield

According to MTG Designer Melissa DeTora, this card took heavy inspiration from Demonic Pact, an enchantment capable of granting insane boons before literally causing you to lose the game