mtg cards like phyrexian arena Tactical Formation The Gathering This card reminds me of

youre often going to hit high mana values, and a single Despair is usually enough to shut down your opponent to close out with your board state

Thunderclap Drake Thunderclap Drake constantly impresses me

It's also super easy to shuffle your deck and have a shot at drawing the goods you just Dug back

Suddenly, combat damage stacked and effects could happen before said damage was dealt

Like the tempting offer cards, its usually advantageous for your opponents to not interact with you when youre offering to join forces, but your mileage will vary based on how suggestable your friends are

Chained Throatseeker Chained Throatseeker is a good mid-game infect creature to cast because the 5/5 big hitter can only attack if at least one of your opponents have one or more poison counters