Shadow that Engulfs Heroic Spirits (FS/S64-E078 U) [Fate/Stay Night [Heaven's Feel]]

[COUNTER] Choose 1 of your characters, and that character gets +1 level until end of turn. Choose 1 of your characters, and that character gets the following ability until end of turn. "[AUTO] When this card becomes [REVERSE], if the level of your battle opponent is equal to or lower than this card's level, you may [REVERSE] that character."