These decks have all the cards you need to immediately start playing
Since the legend ability won't matter for your tokens with the next ability, they won't die when he swings at others
Card draw doubling cards are not a common theme or strategy, but they provide players with a great way to gain card advantage
The counterplan against M Ampharos EX is also simple: sacrifice the active, bring out something that can one-shot
Consider adding cheap staple cards like Kodama's Reach, Cultivate, or something like Emergent Sequence, Greenseeker (it also discards you a creature that you can pick up with meren at the end of turn), Primal Growth (good sac outlet too), Dawntreader Elk, Deathsprout, Diligent Farmhand, Rampant Growth, and notable Yavimaya Elder