When instructed to amass, you may put +1/+1 counters on any of your Army creatures, and you may choose a different one each time
Hypnotize and Improvize are two actions that replace themselves, while Strike a Good Match, Tinker Bell, Pongo, and Lucky all give you card draw while also allowing you to filter your deck and select the optimum card for each situation
These monsters will appear in the set as alternate-art versions of existing cards and will be known as Godzilla Series Monster cards
You win a Blue prize
Last March of the Ents is a solid newcomer that cant be countered, but costs that little bit more mana (and a lot more cash money)
As long as you have enough non-land mana sources to produce two mana each loop, like artifact 'mana rocks' such as Sol Ring or mana dork creatures, you're golden