Mentor of the Meek

Whenever another creature you control with power 2 or less enters, you may pay {1}. If you do, draw a card.

Hieromancer's Cage

When Hieromancer's Cage enters, exile target nonland permanent an opponent controls until Hieromancer's Cage leaves the battlefield.

Enchant creature
Enchanted creature can't attack or block.

{3}, {T}, Sacrifice Explosive Apparatus: It deals 2 damage to any target.

Vigilance (Attacking doesn't cause this creature to tap.)

Flying (This creature can't be blocked except by creatures with flying or reach.)

Whenever Star-Crowned Stag attacks, tap target creature defending player controls.