For Readers looking for these pages: New Text Updates / Errata for older cards in the New Master Rule era Update for Pendulum with cards like D/D/D Dragonbane King Beowulf
Both you and your opponent are going all out, and then you lose
As a bonus, Heliod does not care how much life you gain each time
Caretaker's Talent starts off as a source of card draw, and tops out as an anthem
And even without celebration in the equation, playing the Mouse on turn two really increases your chances of double spelling on turn 3 and 4, and thats a pretty good way to win the game A two mana 2/1 with first strike when it attacks is a great aggressive creature in Limited, and this one can make you a couple of 1/1s too
The price chart above is somewhat misleading, as a majority of that price spike has happened over the past few days