The death trigger for your insects is odd, but if you run mainly creatures and lands like many green decks, Zask makes mill two look a lot like draw two. #20
Ionize and Rals Outburst contribute additional chip damage, which should help your tokens close games easily
Originally, Lessons were designed to pair with another new mechanic: Learn
Mirrodin Besieged and New Phyrexia used foil watermarks to reveal the ongoing war between the Mirrans and their invaders
For the most part, you can sit with one of these cards on the battlefield for most of the game and wait for them to cast a Past in Flames before going to exile their graveyard, but if the Past in Flames is in the graveyard already, you may want to preemptively go for it
[10] Enjoy trying different things out