Neither move of Magnezone is too great, but you could utilize a spread damage type strategy by using Speed Shot on one of your opponent's benched Pokemon but I would mainly use Crush Volt and just make sure to have another energy card in my hand to attach to it the next turn so I could use the move again
Having access to lots of narrow effects like this in your deck also makes your opponents spell-stealing effects much worse, on average, which is a nice bonus
Nerd Rage was added in Fallout 3 and has appeared since, giving characters that invested in enough Science and Intelligence stats a significant boost to their defensive and offensive abilities if their health dropped below the threshold
Kaalia of the Vast can cheat it from your hand (since it's a dragon), Yuna, Hope of Spira can bring it back from your graveyard (since it's an enchantment), and Esper Terra can copy it and trigger most of Bahamut's value by advancing three chapters: Summon: Bahamut isnt legendary, so Esper Terra has no problem copying it
Sygg, Wanderwine Wisdom / Sygg, Wanderbrine Shield The synergies and interactions of this version of Sygg can fill an ocean
If your group enjoys longer, interactive games rather than quick explosions, Shorikai is an excellent fit