Captain Eberhart

During your turn, spells your opponents cast cost more to cast and abilities your opponents activate cost more to activate unless they're mana abilities.

Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.)

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Noncreature spells you cast cost less to cast.

As long as you've cast two or more noncreature spells this turn, Lyse Hext has double strike.

First strike

Noncreature spells cost more to cast.

Mobilize 2 (Whenever this creature attacks, create two tapped and attacking 1/1 red Warrior creature tokens. Sacrifice them at the beginning of the next end step.)

Your opponents can't cast spells during your turn.

Your opponents can't cast spells from anywhere other than their hands.

Metalcraft — This creature has double strike as long as you control three or more artifacts.