At the beginning of combat on your turn, you may pay and sacrifice an artifact. If you do, create a 3/1 red Construct artifact creature token with haste.
Whenever a Samurai or Warrior you control attacks alone, it gains lifelink until end of turn.Sacrifice Selfless Samurai: Another target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
Whenever a Samurai or Warrior you control attacks alone, it gains lifelink until end of turn.Sacrifice Selfless Samurai: Another target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)Whenever Spring-Leaf Avenger deals combat damage to a player, return target permanent card from your graveyard to your hand.
As an additional cost to cast this spell, you may exile any number of red cards from your hand. This spell costs less to cast for each card exiled this way.Exile the top X cards of your library. You may play up to two of those cards until the end of your next turn.
Target creature gets +2/+2 until end of turn. If it's an enchantment creature or legendary creature, instead put a +1/+1 counter on it and it gets +1/+1 until end of turn.
Target creature gets +2/+2 until end of turn. If it's an enchantment creature or legendary creature, instead put a +1/+1 counter on it and it gets +1/+1 until end of turn.
, Sacrifice an artifact with mana value X: Return target artifact card with mana value less than X from your graveyard to the battlefield. It gains haste until end of turn.