Prowess

Whenever you cast a noncreature spell, conjure a card named Monastery Mentor onto the battlefield.

Thunderbond Vanguard's power and toughness are each equal to the number of creatures you control.

Each creature token you control enters as a copy of this creature.

Attacking tokens you control get +1/+0.

Whenever you cast your first creature spell each turn, that spell gains mobilize 2.

Double team

At the beginning of your second main phase, if this creature is tapped, it endures 1.