
First strike
Reinforce 1—{1}{W} ({1}{W}, Discard this card: Put a +1/+1 counter on target creature.)
Mosquito Guard has 2 printings, first in Morningtide (2008). EDHREC ranks it #27,286 among Commander cards. It appears most in Brigid, Hero of Kinsbaile decks (93 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.