
At the beginning of your upkeep, discard a card.
Rotting Regisaur has 5 printings, first in Core Set 2020 (2019). EDHREC ranks it #5,040 among Commander cards. It appears most in Jon Irenicus, Shattered One decks (8,350 on EDHREC). It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.