Key to this approach are the cards that use Trigger with many that can heal effectively (and frequently!) too
#15 I like the idea but also hope they don't lowball the cards that people bring in on trade or sell like they do the games
It amasses more of a board presence, draws you cards, or deals burn damage
Amethyst Ink is reserved for powerful sorcerous characters, summoned objects, and magical items, making it an intriguing Ink color to be sure
We generally use TCGplayer.com as the benchmark for card values, though, for many of these cards, the value can fluctuate wildly with what private sellers list them for
For example, if you control an Evolving Adaptive with two oil counters and a 1/3 creature enters the battlefield under your control, its toughness is greater so the ability will trigger