Ghost of Tsushima

Flash, Commander ninjutsu {x}{u}{u} (Return an
unblocked attacker you control to hand: Put this card
onto the battlefield from your hand or the command
zone tapped and attacking.)
When Ghost of Tsushima enters play, it gains
haste, first strike and +X/+0 until end of turn.
At the end of each turn, you may return Ghost
of Tsushima to your hand or the command zone.
If you don't, scry 1.