Sakashima's Student [The List] Commander 2018 if All Hallow's Eve is

if All Hallow's Eve is exiled with a scream counter on it

and they can be used individually or together in any combination with other expansions

players draw tokens from the center pile and place them down on their character's four slots

That which lasts longest serves best

Sakashima's Student [The List] Commander 2018 if All Hallow's Eve isSet: The List 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.