When Kroxa enters, sacrifice it unless it escaped.Whenever Kroxa enters or attacks, each opponent discards a card, then each opponent who didn't discard a nonland card this way loses 3 life.Escape—, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)
Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)Whenever this creature deals combat damage to a player, destroy target nonblack creature that player controls.
Instant and sorcery spells you cast cost less to cast.Whenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card.
First strikeWhen Knight of the White Orchid enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.
Choose a creature type. Reveal cards from the top of your library until you reveal X creature cards of the chosen type, where X is the number of creatures you control of that type. Put those cards onto the battlefield, then shuffle the rest of the revealed cards into your library.