Well close with a few sneaky backdoor tricks with Chasm
For example, a well-timed Warp World when it breaks up a board stall, using Threaten on a Roil Elemental and then playing a land, or a huge stack created by a six-person game during a Conspiracy draft
Sapphire and Steel has some sharp offensive cards too, but its with more brute force than Emerald and Ruby
Lisia is a Dragon-type Pokmon trainer, but her inclusion may have more to do with her general appeal than her trainer prowess
716.2c: The phrase to gain a Class level means to activate an ability indicated by a class level bar 716.2d: If a rule or effect refers to a permanents level and that permanent doesnt have a level, it is treated as though its level is 1.
Opponents tend to assume you always want to start out with swarm and prepare for you with cards like Pyroclasm and Anger of the Gods, so its important to recognize their preparation and avoid spilling your hand into their sweeper