Covert Operative (BFA-064) [Battle for Attoractia]

[Stealth] When another card in your chant-standby area becomes targeted by spells or abilities. (While this card is in your chant-standby area, you may pay it without paying its cost when its [Stealth] condition is met.) When this card enters your field from a chant-standby area, cancel target spell or ability targeting a card in your chant-standby area. If you do, draw a card.