Kyurem VMAX - 049/196 - SWSH11: Lost Origin (SWSH11)

Ability — Glaciated World
Once during your turn, you may discard the top card of your deck. If that card is a Water Energy card, attach it to 1 of your Pokémon.

[WWW] Max Frost (120+)
You may discard any amount of Water Energy from this Pokémon. This attack does 50 more damage for each card you discarded in this way.