At common, Suplex is a great, flexible answer to most Creatures your opponent can play in the early game
As previously mentioned, mono-blue and mono-red have virtually zero cards which gain life (in the case of red, actually zero)
Coins are earned in-game through playing, whereas Gems are purchased with real money
At the same time, opponents receive 2 poison counters from Marsh Viper every time it damages them even though its power is only 1
Once Tergrid hits the board, she will swing games very quickly, so if you want to play Tergrid, be patient and let your opponents run out their interaction first or hold onto ways to protect her
I'm glad to learn from Commander Spellbook, then, that there a multitude of three-card combos involving Song that win the game without forcing one to keep a close eye on storm count and on which color pips you have in the mana pool