
Whenever a creature attacks, this artifact deals 1 damage to it.
Caltrops has 4 printings, first in Urza's Destiny (1999). EDHREC ranks it #5,352 among Commander cards. It appears most in Ghyrson Starn, Kelermorph decks (6,430 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.