Commander rules allow you to start with 40 life, which is already a huge boost, and there are more than enough ways to gain life, even infinite life
It's a strictly worse version of Gaea's CradleGaea's Cradle (although this one taps for mana even without creatures, so maybe...), but this can be said for the vast majority of lands in the game
At DCI-sanctioned events, judges will sometimes print out proxies when cards are accidentally damaged during play, like if water was spilled on the table or someone was shuffling a bit too aggressively
they could be found in both Set and Collector Boosters
Browser-based games don't capture our attention that often, but the Pokemon Trading Card Game Online is something different
The front side by itself isn't good enough for Modern, so if you're playing it, your plan is to flip it