Check out the Bloomburrow story if you want to learn about Maha's history, or just jam it into a deck with a Goblin Sharpshooter or Toxrill, the Corrosive and call it a day
There are also lots of cards, like [c]Young Pyromancer[/c], that trigger an effect whenever you cast a spell
The two-card combo was awesome, and the full-on version made everything else, ever, pale by comparison
Metagame Challenge: Modified Ranked Brawl (June 215) The latest outing in the MTG Arena team's program of experimental, limited-time versions of Brawl continues until June 15
All Tyranid Prime does is give all other creatures you control evolve, while also having evolve itself
Karrthus, Tyrant of Jund If you love turning a dragon board into an instant kill threat, Karrthus, Tyrant of Jund is your guy