Budoka Pupil

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.

Ichiga, Who Topples Oaks

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

Budoka Pupil // Ichiga, Who Topples Oaks

Ink-Eyes, Servant of Oni

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.

Betrayers of Kamigawa Promos