Spirelle, Schwartz Queen

On Enter: As a Spell, deal 3 damage to target unit. Then you may banish a card from your hand or memory face down.

(2), REST, Reveal a card banished by Spirelle with reserve cost X: Negate each activation of cards with reserve cost X. Put each card negated this way and each card banished by Spirelle into their owner's memories. Then trigger each of Spirelle's on enter abilities.