Sakashima's Student Mirage create a 1/1 colorless Sand

create a 1/1 colorless Sand creature token for each land you control

Cheer — Whenever one or more creatures you control with counters on them deal combat damage to a player

Create X 1/1 green Elf Warrior creature tokens

Flash Flying You may cast colorless spells and artifact spells as though they had flash

Put that card onto the battlefield and the rest on the bottom of your library in a random order

Sakashima's Student Mirage create a 1/1 colorless SandNinjutsu {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 this creature enter as a copy of any creature on the battlefield, except it's a Ninja in addition to its other creature types.