Aureole, String of Hope

Aureole, String of Hope is unlockable unless defending player controls a Forest.
Whenever a creature you control blocks or becomes blocked, it gets +0/+X until end of turn where X is the number of lands with Fungus counters on them.
Whenever a Aureole, String of Hope deals damage to a player, place a fungus counter on target land that player controls. That land is a Forest and gains "When you tap this land for mana, it produces an additional