Fortified Desert Utopia

Fortified Desert Utopia enters with a wall counter on it for each land you control.
{1}, {t}, Remove a wall counter from Fortified
Desert Utopia: remove target attacking creature without flying from combat.
{t}: Add {c}{c}. Spend this mana only to cast
creature spells. Creatures paid for with this
mana enter with a stun counter on them.