Crenshinibon

This spell can't be countered.
Other spells you cast can't be countered, and
cost {1} less to cast. Instant and Sorcery spells
cost an additional {2} less to cast and have
Cascade.
Whenever you cast an instant or sorcery spell,
copy it. You may choose new targets for the copy.
At the beginning of your end step, lose 10 life.