What It Means : Each Pokmon has one or more attacks that can be used in battle
In fact the printing of Unholy Heat (and to an extent Solitude) has mostly pushed out cards like Tarmogoyf out of the format, as the removal in the format is now so efficient that creatures either need to be one-mana, so you trade at an even level (Dragons Rage Channeler and Ragavan, Nimble Pilferer), too large to be killed by Unholy Heat (Deaths Shadow and Murktide Regent) or generate immediate value upon being played (Solitude, Fury and Omnath, Locus of Creation)
It's solved when you have no suspected skeleton on your end step and once solved you can pay , sacrifice it, and search for any card in your deck
The crisp bite of a winter gust as it races by
It is part of the Lake Guardians trio, alongside Uxie and Azelf, acting as the embodiment of emotion