Fifth Edition

Infinite Hourglass

During your upkeep, put a time counter on Infinite Hourglass.
All creatures get +X/+0, where X is equal to the number of time counters on Infinite Hourglass.
Any player may pay o3 during any upkeep to remove a time counter from Infinite Hourglass.

At the beginning of your upkeep, put a time counter on Infinite Hourglass.
All creatures get +1/+0 for each time counter on Infinite Hourglass.
{3}: Remove a time counter from Infinite Hourglass. Any player may activate this ability but only during any upkeep step.

Ice Age

During your upkeep, put a time counter on Infinite Hourglass. During any upkeep, any player may pay o3 to remove a time counter from Infinite Hourglass. All creatures get +1/+0 for each time counter on Infinite Hourglass.