Paradoxon Spellchain

At the beginning of each player's upkeep that player exiles a card from his hand with a different converted manacost than all cards exiled with Paradoxon Spellchain. If he can't that player discards his or her hand and loses 4 life.
At the beginnig of your upkeep you may put a card exiled with Paradoxon Spellchain in your hand if you have seven or more cards in hand.