Edited sentence: However, the DCI later banned the use of the card in the tribal format.Ink-Eyes, Servant of Oni --  the most popular ninja in the set, has made the biggest impact of all Ninjas in tournament play, thanks to her ability to sneak into play as an unblocked attacker (thanks to her ninjutsu ability) and revive your opponents creatures when she deals damage to a player.Ninja of the Deep Hours - An efficient card drawing creature, that has effectively replaced the similar Ophidian in older format control decks.So far, this oni has the least penalizing drawback.Sway of The Stars -- A card which resets the entire gamestate by shuffling all cards into their owner's libraries and then having each player reset their life total (to 7) and redraw their hand (7 cards).The Genjus -- Neat land enchantments that can animate a basic land and comes back from the graveyard if the enchanted land is destroyed.There had been calls for this card to be banned from the standard format (or at least Block Constructed) because of its influence on the game, but the DCI decided that its influence was not enough to justify such a move.These were slightly inspired by the Urza's Legacy lands which allowed you to make these lands a creature till the end of turn.This card has been used in a handful of relatively low-profile decks which float large amounts of mana so that they can have an advantage when the card resolves.Umezawa's Jitte-- This card is incredibly powerful, and was present in most of the notable Kamigawa Block Constructed decks (though notably the most prominent deck, 'Gifts', used either 1 copy or none).Yukora, The Prisoner-- one of the many 'tweaked' versions of the Arabian Nights card Juzam Djinn