Sakashima's Student [Planechase Anthology] Plant you may pay {U}{U}{U}

you may pay {U}{U}{U}

puts it on the bottom of their library

except it doesn't copy that creature's color and it has this ability

each player returns to the battlefield all cards they own exiled with Parallax Tide

He watches from within

Sakashima's Student [Planechase Anthology] Plant you may pay {U}{U}{U}Set: Planechase Anthology Type: Creature Human Ninja Rare Cost: {2}{U}{U} Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) You may have Sakashima's Student enter the battlefield as a copy of any creature on the battlefield, except it's a Ninja in addition to its other creature types.