For a given color such as white, the two colors immediately adjacent to it, green and blue, are considered complementary, while the two colors on the opposite side, black and red, are its opposing schools
Cleansing Wildfire The trick with Cleansing Wildfire is to target an indestructible land you control, turning this into a Rampant Growth that cantrips
Charging Cinderhorn: In a balanced table someone will be attacking this turn
Getting to set up your graveyard on turn one for a Vengeance on turn two is something the Esper variant is incapable of
Additionally, a small eight-pointed star icon on the bottom-right side of the text box (top right if aligned vertically, like other cards) represents the starting defense of the battle
A popular strategy is to play Plaguecrafter than sacrifice it to its own effect, putting it into your graveyard ready to pull back out