Like many of the characters, some are locked in, like Ifrit, who is gonna be red, that makes sense
Ertai Resurrected Four mana is a lot of mana to keep up at any given time, and giving opponents extra cards isnt something you want to be doing, group hug decks excepted
Learning new skills and coming to appreciate some of the game mechanics that are found in newer sets can be a lot of fun, but is also easily overlooked when a player already has that perfect winning deck that has never been beat
But, of course, provided you're keeping two or more cards in your hand when on the receiving end of a discard spell, you should always take into account what kind of synergy or play style will emerge from keeping each set of cards
Wood Elemental Sigh, fine, heres your Wood Elemental
The Rats will also die