Infinite Hourglass
{4}
Artifact
At the beginning of your upkeep, put a time counter on ~this~.
All creatures get +1/+0 for each time counter on ~this~.
{3}: Remove a time counter from ~this~. Any player may activate this ability but only during any upkeep step.
Tourach's Gate
{1}{B}{B}
Enchantment -- Aura
Enchant land you control
Sacrifice a Thrull: Put three time counters on ~this~.
At the beginning of your upkeep, remove a time counter from ~this~. If there are no time counters on ~this~, sacrifice it.
Tap enchanted land: Attacking creatures you control get +2/-1 until end of turn. Activate only if enchanted land is untapped.