Many players are eager to see Deadpool in action in Commander
The counters are, again, the same as the video games and tend to follow an obvious logic, such as fire pokmon being weak to water attacks, but its worth having a look at a glossary before you start, to familiarise yourself with the sheer number of cards and what they can do
Much better than the PSA method of just slapping a 5 on it as @eeveeteam mentioned
Like most Pokmon cards, the value of Elesa's Sparkle depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Fusion Strike)
If a Mount becomes some other creature type, it will still have saddle, and non-Mounts can gain saddle if effects allow them to do so
Some Ritual Spells even allow you to Ritual Summon from other locations such as the graveyard or can be banished from the grave for an additional effect