
Nonartifact creatures get +2/+2 as long as they all share a color.
Common Cause has 1 printing, first in Mercadian Masques (1999). EDHREC ranks it #30,090 among Commander cards. It appears most in Sidar Jabari decks (5 on EDHREC). It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.