Magic: The Gathering · Un-Known Event Playtest Cards
Mister Cheddar, Cheese Sliver
Mister Cheddar, Cheese Sliver (Un-Known Event Playtest Cards RB05a) has no market price as of Nov 9, 2026.
Price guide
The market price on TCGplayer, in US dollars: a guide, not an offer.
Market price
As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.
Market price history
Price history starts Oct 15, 2026. A chart appears after two weeks.
Card details
- Type
- Legendary Creature: Rat Sliver
- Mana cost
- {4}{B}
- Power / toughness
- 5/5
Card text
Rats and Slivers you control are Rat Slivers in addition to their other types and have ratmanship. (They can't be blocked except by Cats, Rats, or other creatures with ratmanship.) As long as Mister Cheddar is your commander, Sliver cards in your deck have "Your deck may contain any number of this card."
Flavour text
Designed by players at MagicCon Chicago 2025.
About this card
Mister Cheddar, Cheese Sliver is card RB05a in Un-Known Event Playtest Cards, a Magic: The Gathering set. Rarity: Rare. No reference market price is available on Nov 9, 2026. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.