His absurd value has caused him to be banned in the Commander format
By turn 5 you can easily find yourself drawing 3+ extra cards per turn
Table of Contents Ultimate Guide to Innistrad Crimson Vow Limited and Prerelease Chapter 1 - Top Commons for Limited and Prerelease Chapter 2 - Top Uncommons for Limited and Prerelease Chapter 3 - Guide to Combat Tricks and Removal Cards by Colour Chapter 4 Guide to Blood Tokens Chapter 5 Limited Deck Archetypes

Play Boosters 36 Outlaws of Thunder Junction Play Boosters, each containing 14 cards Collector Boosters 12 Outlaws of Thunder Junction Collector Boosters, each containing 15 cards Bundle 9 Outlaws of Thunder Junction Play Boosters 1 traditional foil alt-art card 30 land cards (15 foil, 15 nonfoil 1 spindown life counter 1 card storage box 2 reference cards Prerelease Pack 6 Outlaws of Thunder Junction Play Boosters 1 foil stamped rare or mythic rare 1 spindown die Commander Decks Four total ready-to-play preconstructed decks Desert Bloom Grand Larceny Most Wanted Quick Draw 2 traditional foil legendary cards 98 nonfoil cards 2-card Collector Booster sample pack 10 double-sided tokens 1 deck box 1 life tracker Breaking News Bonus Sheet The Breaking News bonus sheet is full of crimesa new mechanic across the setand iconic reprints that commit crimes

Our big mushroom friend's ability counts how many times you've descended that turn, meaning how many permanent cards have been put into your graveyard from anywhere during the turn
Each deck has two or three of these, so games with the decks right out of the box could get a little crazy