Once your cards are on the table and the ink is dry (the turn after you play it), you can send your characters on a quest for Lore
Set-named mini-tins, like this one, typically contain two packs of the set indicated on the package, so you're not left guessing as much as you might be with one of the less specific variants
This is obviously very good in conjunction with a card that we are actively trying to cast from the graveyard
Artifacts, enchantments, and planeswalkers are such juicy targets to cheat into play, so it's enticing
The prize cards naturally have a really low population due to only being given out to the first and second-place TCG players at the Pokmon World Championships
I must say, Liga Smilshkalne, now has my second favorite counterspell art of all time, behind only the original Force of Will by Terese Nielsen