Sakashima's Student [Planechase Anthology] Narset and "this turn" and "until

and "this turn" and "until end of turn" effects end

Whenever another Scarecrow enters the battlefield under your control

that's something no horse can change

It can't be blocked this turn

" —Seshiro the Anointed

Sakashima's Student [Planechase Anthology] Narset and "this turn" and "untilSet: Planechase Anthology Type: Creature Human Ninja Rarity: 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.