Black Planeswalker Spark

Enchant Black Creature you control.

Enchanted Creature is a Legendary Black Planeswalker with starting loyalty 5 and:
"+1: add {b}."
"-3: put a Basic Swamp card from your hand onto the battlefield tapped."
"-8: you get an emblem with "Basic Swamps you control have '{t}: add {b}{b}.'"
Enchanted Creature is no longer a creature and lose all abilities.
When Enchanted permanent has no loyalty counters, sacrifice this enchantment, it turns back into a creature.