The experience right after the NDA drop was pretty magical
(A copy of a permanent spell becomes a token.) Triggered abilities use the word "when," "whenever," or "at." They're often written as "[Trigger condition], [effect]." Some keyword abilities are triggered abilities and will have "when," "whenever," or "at the beginning of" in their reminder text
Landfall decks would do anything to get more triggers, some cards need you to sacrifice lands, and you can even use them to assemble combos like Dark Depths and Maze's End
additionally, if Robin Hood himself is banished in a Challenge, you can draw a card
The moment an Active Pokemons HP becomes zero, it gets knocked out and therefore, must be sent to the discard pile, and be replaced by a Benched Pokemon