
Whenever a player casts a white spell, you may pay {1}. If you do, you gain 1 life.
Ivory Cup has 18 printings, first in Unlimited Edition (1993). EDHREC ranks it #25,014 among Commander cards. It appears most in Captain Rex Nebula decks (296 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.