This one will heat up all manner of builds thanks to being both a Dragon and five mana, which seems to be the new sweet spot for in-demand effects
When they fetch a land or fire a creature tutor, suddenly you play this bird and they can only look at the top four, often failing to find something relevant
After the subgame ends, each player shuffles their cards from the subgame to re-form their main-game library (and Attraction deck, if applicable), and they return to the main game from the point they left off, with Tug of War finishing resolving and the winner of the subgame getting their reward
Both are amazing cards in this deck but realistically looking at them now, Hedron CrabHedron Crab is only really good in landfall-centric decks and Wall of FrostWall of Frost has just been power crept out of the format by cards like Charix, the Raging IsleCharix, the Raging Isle
The other 27 cards are all the rare and mythic Legendary creatures
If so, its far more likely that the Obosh problem is what is holding the card down