This will knock out most Basic Pokemon that dont have the HP of an ex card
HP Boosting cards like this one are most often useful when they can push a Pokmon out of the range of being knocked out in a single hit, but forcing a knockout to take an additional turn can often be a boost to a deck in need of the improved prize trade
Whenever the Ring tempts you, if you chose a creature other than Faramir as your Ring-bearer, create a 1/1 white Human Soldier creature token
Not only are they great to safely, securely store cards, but they also provide easy visibility and access for players when putting together their decks
Many are difficult to play in Commander because they are multi-colored and their effects simply aren't big or flashy enough for the format, and even the Vorthos / flavor / design people I know generally dislike them before of their ample border and very small art
Celebration abilities only care if two or more nonland permanents entered the battlefield under your control in a turn