Defiant Strike

Target creature gets +1/+0 until end of turn.
Draw a card.

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.

Equipped creature gets +3/+0.
As long as equipped creature is a Human, it has lifelink.
Equip {3}

When Venerable Knight dies, put a +1/+1 counter on target Knight you control.

When Cathedral Sanctifier enters, you gain 3 life.

Create two 1/1 white Human creature tokens.
Fateful hour — If you have 5 or less life, create five of those tokens instead.

Vigilance
Creatures can't attack you or planeswalkers you control unless their controller pays {1} for each of those creatures.

Equipped creature has first strike.
As long as equipped creature is a Human, it gets +1/+1.
Equip {1}

Enchant creature
Enchanted creature gets +2/+2 as long as it's a Human. Otherwise, it can't attack or block.