Channeler Initiate

When Channeler Initiate enters the battlefield, put three -1/-1 counters on target creature you control.
, Remove a -1/-1 counter from Channeler Initiate: Add one mana of any color.

Shadowstorm Vizier

Flying
Whenever you cycle or discard a card, Shadowstorm Vizier gets +1/+1 until end of turn.

Aether Poisoner

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
When Aether Poisoner enters the battlefield, you get (two energy counters).
Whenever Aether Poisoner attacks, you may pay . If you do, create a 1/1 colorless Servo artifact creature token.

Fractured Identity

Exile target nonland permanent. Each player other than its controller creates a token that’s a copy of it.

Inalla, Archmage Ritualist

Eminence — Whenever another nontoken Wizard enters the battlefield under your control, if Inalla, Archmage Ritualist is in the command zone or on the battlefield, you may pay . If you do, create a token that’s a copy of that Wizard. The token gains haste. Exile it at the beginning of the next end step.
Tap five untapped Wizards you control: Target player loses 7 life.