Betrayers of Kamigawa Promos

Legendary Creature — Rat Ninja

Ninjutsu {3}{B}{B} ({3}{B}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Ink-Eyes deals combat damage to a player, you may put target creature card from that player's graveyard onto the battlefield under your control.
{1}{B}: Regenerate Ink-Eyes.

Ink-Eyes, Servant of Oni

Legendary Creature — Spirit

Trample
Remove a ki counter from Ichiga: Target creature gets +2/+2 until end of turn.

Ichiga, Who Topples Oaks

Creature — Human Monk

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on this creature.
At the beginning of the end step, if there are two or more ki counters on this creature, you may flip it.