Unique-Shirt Triskelavite

Cascade (When you cast this spell, exile cards from
the top of your library until you exile a nonland card
whose mana value is less than this spell's mana
value. You may cast that card without paying its
mana cost if the resulting spell's mana value is less
than this spell's mana value.)
Undying (When this permanent is put into a
graveyard from the battlefield, if it had no +1/+1
counters on it, return it to the battlefield under its
owner’s control with a +1/+1 counter on i