Kanto Water-types included in the set include Squirtle, Wartortle, Blastoise, Psyduck, Golduck, Staryu, Magikarp, Gyarados, Lapras, and Articuno
All that lifegain means you can go on the offensive without worrying about taking hits in return
Being an Azorius (white/blue) commander means you also have access to some of the best control cards around to barrage your foes and keep everything running smoothly
I've seen games won and lost on these coin flips, making sleep both a powerful tool and a risky gambit
Similarly, old werewolves transformed back to their front side when a player cast two spells on any turn, while new werewolves transform back when it becomes day, which only happens if a player casts two spells on their own turn
Beyond the top 10, notable honorable mentions include Mew AR #183 (~$30), Charizard V SAR #211 (~$30), and Irida SAR #238 (~$25)