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.