Im a little disappointed this doesnt do more, but at the end of the day you still get an excellent body with a great ability
Typically it was attached to counterspells like Spell Crumple and therefore dodged the technically removal issue, but it has been around for a while
There are four EDH spaces here, I think
That creature is a Hero in addition to its other types
The key tweak is the shift in how energy works: rather than filling your deck with specific energy cards, you simply select the type (or types) of a deck when building it, and energy is automatically generated once per turn for you to attach how you wish (for two-type decks, which are required for the Dragon Pokmon lines such as Dragonites, which type comes up next is randomised, which effectively replicates a multi-type deck equivalent in real life)
Again, with only 40 cards you are spread thin on answers and may need the same one repeatedly in a long gruelling match for which the Elixir comes in handy