R&D started doing bonus large sets (highlighted in green above) with mechanical reboots, before they finally realized the existence of the third set was the problem, so they did away with it, resulting in the Two-Block Paradigm which exists today
What can I use this PNG for
Since youre gaining life while your opponents are losing life, Gray Merchant lets you pick and choose which of Astarions abilities you want to trigger at the end of your turn, either putting your opponents in a precarious situation, or helping you take the lead with a massive surge of health
The plan with this deck archetype is to cast Flash on Protean Hulk, which then is left to die
The strategic depth of this ability comes from enters the battlefield and leaves the battlefield triggers
It doesn't grant the land any intrinsic abilities