Juzam Twins

Flash, double strike
When Juzam Twins enters the battlefield, you
may counter target spell. If you do, put a Wish
counter on Juzam Twins equal to the converted
mana cost of the spell.
Remove a Wish counter from Juzam Twins: It
gains hexproof until end of turn or you scry 1
(Look at the top card of your library. You may put
that card on the bottom of your library.)