buy mtg card sleeves Ultra Pro Magic: The Gathering Deck Protector - Final Fantasy Y'shtola, Night's Blessed (Commander) 100-Count PVC Free Standard TCG Size 66mm X 92mm Works With Perfect Fit Double Sleeves Compatible with Magic The Gathering and Lorcana Cards FINAL FANTASY Card Sleeve Series

You can easily and cheaply increase the power of a players deck with a few custom cards

Note that if everyone always played according to the current floor rules, Sindbad would not be on this list

Perplex Perplex gets less valuable as a counter the more graveyard decks proliferate in EDH, but having a weak counter you can convert into a Teferi, Time Raveler, a Toxic Deluge, or so many other powerful things when it needs repurposing is great

Revival of the Ancestors

13 Firkraag, Cunning Instigator Recently appearing in the Draconic Dissent precontructed Commander deck, Firkraag, Cunning Instigator is a distinct Izzet (blue/red) Dragon Commander that blends the value of evasive-high damage Dragons with the goad mechanic unique to multiplayer Magic

Throwing in other hate bears that tax like Thalia, Guardian of Thraben and Lodestone Golem is a great way to slow down your opponents and lose your friends