Toya, Needy Charge.

Partner with Vain, Affectionate Caretaker. (When
this creature enters the battlefield, target player may
put Vain, Affectionate Caretaker into their hand from
their library, then shuffle.)
As long as you control a caretaker or a Vainfire,
Toya has hexproof, and is unblockable.
Whenever a caretaker or a Vainfire enters the battlefield under your control, draw a card.