Cyberstrike jester

You may pay {p/b} or discard a card instead of
paying Cyberstrike jester's mana cost.
Haste.
When Cyberstrike jester enters the battlefield
draw a card.
When Cyberstrike jester is used for a synchro
summon return it to the battlefield.
{0}: choose target creature and a number, the
targeted creature's mana value becomes the
chosen number. Activate this effect only once
per turn.