A new Eiscue promo (#173/S-P) will be included in the April 21st issue of CoroCoro Ichiban magazine. The card was partially revealed in an advertisement in this month’s issue. Thanks goes to Bangiras for the translation!
[W] Ice Bonus: Discard a [W] Energy from your hand. If you do, draw 3 cards.
[W][W][C] Headbutt Bounce: 100 damage.
Weakness: Metal (x2)
Update (April 19th): A clearer image of the promo has been revealed, revealing the full card text.