Time-Keeper

Haste, Skulk, Double strike, Hexproof
When Time-Keeper enters the battlefield, you
gain 3 life.
When you cast Time-Keeper, if you control a permanent named Clock Tower, you gain 3 life,
draw two cards, and put two time counters on
Clock Tower.
Whenever Time-Keeper deals combat damage to
a player, put a time counter on Clock Tower.
It is in this room.......