Here we have almost the exact same color scheme and target demographic, with the difference being this design inspires joy, while staring at the sad, desaturated back of a Pokmon card for any extended period of time will cause symptoms comparable to whatever the opposite of staring at the sun is
real damage
Some were originally shown as P1 in promotional images, but the Challenge promo cards from Season 1 used the C1 set label
Make sure to focus down any planeswalkers your opponents might have while you can, though
Forgers Foundry is a 3 mana rock that lets you exile cheap instant and sorcery spells you cast with it instead of putting them into the graveyard
As mentioned earlier alongside Enduring Tenacity, Bloodthirsty Conqueror is another take on Exquisite Blood, which pairs best with the Glimmer card (or Sanguine Bond), creating an infinite combo as long as you have a way to gain life to kick things off