
Each player chooses a creature type. Destroy all creatures that aren't of a type chosen this way. They can't be regenerated.
Harsh Mercy has 2 printings, first in Onslaught (2002). EDHREC ranks it #8,981 among Commander cards. It appears most in The First Sliver decks (2,554 on EDHREC). 1 public deck on TCG runs it.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.