You can declare a Level from 1 to 12, then target 2 face-up monsters you control, including a "Gagaga" monster
Decks that benefit most from Sol Ring are those looking to ramp up quickly and play high-cost spells or powerful creatures ahead of schedule
Generally approaching people at a store or convention hall with "Hey, do you have trades?", "Hey, can I take a look at your binder?", or if you're looking for a specific card "Hey, do you have [specific card] for trade?" should be enough to get started
It turns into a creature whenever your opponent plays a land and becomes an enchantment when you play one
Only one MUR card exists per set, making it the rarest and most valuable card in each MEGA expansion
The theming can be adjusted, and there are some powerful new cards here, so its not exactly a dud either