Those who are unfamiliar with Sunny-Side Up may be hard pressed to find the decks win condition, as only a single copy of Pyrite Spellbomb is capable of dealing damage to your opponent
It does grant evasion as well, mind you, and it Equips for cheap if youre targeting a legend
Sacrifice an artifact, and you can go and put another artifact that costs one more than the one you sacrificed straight into play
In all honesty, its one of the better 3-mana counterspells, potentially giving you control of the spell, and your opponent freaks out at the possibility of getting their expensive spell stolen, not countered
Plus, the whole set of 30 cards can be completed with just one bundle, which is perfect for those who like a challenge but don't want to break the bank