Maybe we’ll see a resurgence of Mermails again with this support.

CIBR-JP028 水精鱗－ネレイアビス Mermail Nereiabyss / Mermail Abyssnereid
WATER/Aqua
Level 3
1200 ATK / 2000 DEF
You can only use each of this card’s name effects once per turn.
(1) During either player’s turn: You can discard this card, then target 1 WATER monster you control; destroy another WATER monster in your hand or field, and if you do, the targeted monster gains ATK and DEF equal to the original ATK and DEF of the destroyed monster until the end of this turn.
(2) If this card is sent from the field to the Graveyard: You can draw 1 card, then discard 1 card from your hand.

Source: OCG Twitter