yugioh poseidra deck Suda-JP016 Poseidra, the Rumbling Atlantean (R) Poseidra Abyss, the Atlantean Dragon

Runick Dispelling is required to break the ice curse affecting fellow adventurers afflicted by Nidhogg, Generaider Boss of Ice

send this card to the GY, and if you do, Special Summon that monster

As such, while pull rate lists can sometimes be helpful, its also necessary to take them with a grain of (Shoal) salt because they are inexact and thus can sometimes be inaccurate

Whispers of the Muse (T1, Ext, S, Block) A favorite in "Turbo Xerox" (a blue deck which used minimal land but a ton of cantrips to thin out the deck), Counter-Phoenix (Shard Phoenix + Forbid) and Tradewind-Awakening (put Awakening on the stack, tap all your lands for mana, untap all your lands), Whispers has what might seem like a hefty price to pay for one card but you get to do it turn after turn after turn