If an opponent is instructed to put a card into their graveyard without using the word "mill," The Water Crystal's second ability doesn't apply
Summons of Saruman is amazing since it essentially works with all themes of the deck: amass orcs, fill your own graveyard, then cast another instant or sorcery for free
Ah, balls
I loved playing the Gwent beta, but never found the time or gave the game the priority needed to properly learn the game
Most often, they are low-power, high-toughness creatures, which means that without some extra support, they are usually good at blocking (and making mana, for some reason) but aren't very good at actually killing the opponent
You can mill this card or discard it to another effect, and still unearth it with haste to catch someone off guard, and its much better when you have discard synergies