Mister Cheddar, Cheese Sliver

Legendary Creature — Rat Sliver

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."

5/5

Legalities

NOT LEGALStandard
NOT LEGALPioneer
NOT LEGALModern
NOT LEGALLegacy
NOT LEGALVintage
NOT LEGALCommander
NOT LEGALOathbreaker
NOT LEGALAlchemy
NOT LEGALHistoric
NOT LEGALBrawl
NOT LEGALTimeless
NOT LEGALPauper
NOT LEGALPenny