name: Jötun Owl Keeper
originalText: Cumulative upkeep {W} or {U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)\nWhen Jötun Owl Keeper is put into a graveyard from play, put a 1/1 white Bird creature token with flying into play for each age counter on it.
printings: CSP, PLST
text: Cumulative upkeep {W} or {U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)\nWhen Jötun Owl Keeper dies, create a 1/1 white Bird creature token with flying for each age counter on it.