There are a couple of other zones (including exile and the command zone) but cards dont naturally move in or out of these unless specific rules and effects tell them to
That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle." Better yet, this ability also costs one fewer mana to cast for each legendary creature you control
With The Serpent Society making everyone sacrifice their creatures, it shouldn't be too hard to land a hit with a snake, at which point Aphelia can halve your victim's life total
Now, the counterfeiters are making foils, FNM Promos , and Judge Promos
Even if you only find a land, the number of actions you can take when you finally find something increases, and if a lot of time passes, you can even activate this twice
Each creature you tap counts for one colored mana (based on the color of the card being tapped) or one colorless mana