Marvels Wolverine Unnatural Growth This cute version of Unnatural Growth doubles the power and toughness of all your creatures at the beginning of each combat, which makes even the smallest board state a massive threat
You can let your chosen target attack another player and deal lethal damage to them, then cast Settle in the end of combat step, when those creatures are still considered attacking but after damage has been dealt, to take out two birds with one stone
Like Magic, the original Pokmon TCG is still in print
Stone-Seeder Hierophant At first glance, this card reminds me of Arbor Elf, but I like this a lot more, for good reason
New World Order was also important in making R&D think more about large, holistic systems rather than just evaluating each card in a vacuum