BPRO-JP044 エクソシスター・カルマエル Exosister Karmael
Level 4 DARK Fairy Xyz Effect Monster
ATK 2600
DEF 1800
Materials: 2 Level 4 “Exosister” monsters
You can only use the (1)st and (2)nd effects of this card’s name once per turn.
(1) If this card is Xyz Summoned: You can activate this effect; during the End Phase of this turn, Set 1 “Exosister” Spell/Trap from your Deck, GY, or banishment.
(2) When your opponent activates a Normal Spell/Trap Card or a monster effect (Quick Effect): You can detach all material from this card, and if you do, that effect becomes “Add 1 card from your opponent’s GY to their hand”.

Note: Might be C(h)amael + Martha, but is likely also Karma + El (God). Her halo being an infinity symbol and her sword being a butterfly, might be intentionally referring to the laws of Karma and Cycles.

BPRO-JP066 エクソシスター・バト・マーテル Exosister Bat Mater
Continuous Spell Card
You can only use the (1)st, (2)nd and (3)rd effects of this card’s name once per turn.
(1) When this card resolves, add 2 “Exosister” monsters from your Deck to your hand, then discard 1 card.
(2) You can target 1 face-up monster you control; immediately after this effect resolves, Normal Summon 1 “Exosister” monster mentioned on it.
(3) If a monster(s) is sent to your opponent’s GY (even during the Damage Step): You can make your opponent banish 1 of them.

Note: This card is named after the Stabat Mater, a 13th-century Christian hymn to the Virgin Mary that portrays her suffering as mother during the crucifixion of her son Jesus Christ.

Source: X (Twitter)