Mirage

Mindbender Spores

Flying
Whenever Mindbender Spores blocks any creature, put four fungus counters on that creature. During its controller's untap phase, remove a fungus counter from the creature. As long as the creature has any fungus counters on it, it does not untap during its controller's untap phase.

Defender (This creature can't attack.)
Flying
Whenever this creature blocks a creature, put four fungus counters on that creature. The creature gains "This creature doesn't untap during your untap step if it has a fungus counter on it" and "At the beginning of your upkeep, remove a fungus counter from this creature."