Since it's mana free, you can use it when you've tapped out, or cast a mass removal spell like Damnation or Life's Finale to save it proactively not reactively to something else and have the only creature left on the battlefield
[72] While the Mythic Championships and Magic Pro League catered to the highest level of competitive play, the Player's Tour system was meant to give a path for average players to go from their local game store to the World Championship
in other cases, when a creature is put onto the battlefield attacking, that creature's controller chooses which player, planeswalker, or battle it's attacking
Because of it usefulness in general, it has seen lots of play in many other decks, so its a welcomed sight to see it in Squirreled Away
NAUTILOID SHIP Removal is needed in Commander, and that includes ways to keep on top of graveyards, lest you be overcome by those of us who jam Living Death in every deck we can