Once the board is prepared, you put pressure on their life total with 'Honored Heirloom' (Honored Squirrel Captain), which gets stronger based on the number of Squirrels and Food, and interfere with the opponent's board using 'Rot-Tide Viper', which can be cast for a low cost if you use Food and other items as costs
Opening two boxes does not guarantee one either, though the odds become more favorable
Another characteristic of Modern Masters is that they gave extra attention to the 2003-2008 MTG era, mainly reprinting cards from sets like Mirrodin , Lorwyn , Kamigawa , Morningtide , and Time Spiral
Being able to drop the cost of this creature by removing +1/+1 counters from your board is nice, and the inability to be chump-blocked makes it worth the investment
Build your deck right, and you can keep people off cards with Raven's Crime or kill all their Creatures with Flame Jab
Creatures: Sedge Sliver - I would probably remove Crypt Sliver for this as Crystalline Sliver switches this Sliver off