
Put a +1/+1 counter on each creature you control.
Basri's Solidarity has 4 printings, first in Core Set 2021 (2020). EDHREC ranks it #10,470 among Commander cards. It appears most in Hamza, Guardian of Arashin decks (1,220 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.