most toxic mtg cards Karumonix, the Rat King - Phyrexia: All Will Be One #282 (English) The Top 10 Toxic Creatures

For each Rad counter, a player has on them, early in each of their turns, they have to discard cards from their deck, losing life and possibly some rad counters in the process

This also allows you to build up exiled cards before playing Gonti, as it has a steep mana cost compared to most commanders.

Champions of Kamigawa was built around a series of different creature types that each have their own mechanical identity

With the addition of Solitude, I found I had more than enough interaction and needed more threats to close games

2x Forests

The catch is that you have to draw the token, and you only have 15 seconds to do so