Jötun Owl Keeper

Creature - Giant 3/3, 2W (3)
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.)
When Jotun 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.¹
Illus. Dave Dorman

Crystal Keep Rulings Summaries

• Note - Also see Cumulative Upkeep, Rule 502.13.
• Note - Also see Token Creatures, Rule 216.

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (1/9)	Coldsnap (Uncommon)