Grim Servant ddq Whenever The Golden-Gear Colossus enters

Whenever The Golden-Gear Colossus enters or attacks

{B}: Evolved Sleeper becomes a Human Cleric with base power and toughness 2/2

you may pay {2}{G}

Aura Gnarlid gets +1/+1 for each Aura on the battlefield

+ {1} — Return target Mount or Vehicle card from your graveyard to the battlefield

Grim Servant ddq Whenever The Golden-Gear Colossus entersMenace When Grim Servant enters the battlefield, search your library for a card with mana value less than or equal to your devotion to black, reveal it, put it into your hand, then shuffle. You lose 3 life. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)