If an effect says to set your life total to a certain number and that number is less than your current life total, that part of the effect won't do anything
(It's also the second-most powerful card in this set for Type Four after Jin)
It allows you to build a deck on anything from just people wearing hats, to being the most hyper-explosive kill you in one turn type of deck
Legendary Artifact Color tag templates(None) Esper Sentinel Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays , where X is this creature's power
That often puts a stop to ramp strategies or +1/+1 counter strategies, and it invalidates casting expensive spells
Hence, this card is an honorable mention, but Im happy to be proved wrong