#4: Tarfire Considering Tarfire is essentially just a Shock, you might be surprised to find it on this list at all
Oh, and did I mention that if you draw three cards, lose two cards, and have a Psychatog on the table, you've just grown your 'Tog by +6/+6 (two cards in graveyard + Fact or Fiction + 3 cards in hand -- discard the three cards to have six in the grave, remove all six to give another +3/+3)
6 Ink-Eyes, Servant Of Oni The original ninja Rat The original Kamigawa sets from 2004 to 2005 launched many Rats and Ninja into the game of Magic
You could stock up on extra packs for players to open, or you could build your own custom packs that might fit the theme of your Cube for players to crack
Without you, we wouldn't have been able to make this set come to life