Your Favorite Missing Character

During deckbuilding, choose any two colors, up to three creature types, a new name, and one of the following abilities for this card to have.
• When this creature enters, put a +1/+1 counter on target creature or a lore counter on target Saga you control.
• At the beginning of your upkeep, surveil 1.
• Equip costs you pay cost {1} less.
• Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.