
During your turn, Spacecraft you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)
Whenever Hemmer becomes tapped, draw a card, then discard a card.
Hemmer, Fixing What Is Broken has 1 printing, first in Star Trek (2026). EDHREC ranks it #28,315 among Commander cards. It appears most in Jean-Luc Picard, Luminary decks (105 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.