SPECIAL RULES:

For custom challenge deck.

-Deck plays 2 cards from the top of its library every turn.
-Deck has no hand.
-Card draw effects go into play immediately.
-Deck has no exile. Exiled cards go to graveyard. Exception: temporary exile effects, such as Rebound, function normally.
-Deck choices are made by the player.
-Any damage that would be dealt to the deck is dealt in cards from its library.
-Any life gain the deck would have returns that many cards from top of its graveyard to the top of its library.
-Creatures always attack when able to do so.
-Creatures do not block unless compelled to do so ("must be blocked" effects).
-ALL enchantments come into play as "Enchantment" with no subtype and grant +1 card on deck's turn. If a player counters or removes the enchantment, put it immediately on the battlefield under that player's control with an appropriate target (if applicable). Auras may be played on any creature, regardless of ownership.