(10/4/2004) Paying this cost is not an instant or any other kind of ability, it is an additional cost on the declaration of the attacker
Xolatoyecs main function is untapping any of your cards with counters on at the end of turn, effectively providing most of your merfolk with vigilance and untapping any lands bestowed with Flood Counters, freeing up mana for counterspells and reaction-based play
This has an ETB ability too, this time to bring a pair of Food tokens to the party
there are certainly decks that could make good use of its surveil ability and/or would have a lot of cheap spells to cast
This includes cards like Ashe, Princess of Dalmasca, which will help you find artifacts from your deck
Lots of people grew up with the Wizards Of The Coast era of Pokmon and the thrill of opening those packs again, just like they did as kids, brings back lots of joy and excitement for people