Enchant creature When Double Arming enters, put a +1/+1 counter on enchanted creature. Enchanted creature has menace. {5}: Return Double Arming to its owner's hand.
Desert Slaughterer can't block. {B}, Remove a +1/+1 counter from a creature you control: Return Desert Slaughterer from your graveyard to the battlefield with a +1/+1 counter on it.
Tribute 2 (As this creature enters, an opponent of your choice may put two +1/+1 counters on it.) At the beginning of your upkeep you lose life equal to the number of +1/+1 counters on Descendant of Caaseb.
Deathtouch Tribute 3 (As this creature enters, an opponent of your choice may put three +1/+1 counters on it.) When Avatar of Amosis enters, if tribute wasn't paid, you may destroy target creature.
Defender (This creature can't attack.) Mirage {0}(You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)
When Through the Dust enters, it becomes an Aura with enchant creature. Reveal the top seven cards of your library, put a creature card revealed this way onto the battlefield and attach Through the Dust to it. Then put the rest on the bottom of your library in any order. When Through the Dust is no longer on the battlefield, enchanted creature's controller sacrifices it. Mirage {1}{U}{U}{U}(You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)
Flying When Sphinx of Riddles enters, secretly choose a card name. You may reveal the chosen name any time. Whenever a spell an opponent controls with the chosen name resolves, you may draw two cards.
Choose target spell. Scry 3, then reveal the top card of your library. Counter the chosen spell unless its controller pays {X}, where X is that card's mana value. (To scry 3, look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)
Flying Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Spell you cast cost {1} less to cast as long as it's not your turn.
When Sandborn Mage enters, you may return target instant or sorcery card from your graveyard to your hand. Mirage {2}{U}{U}(You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)
Enchant creature Enchanted creature gets +0/+1 and has hexproof. Mirage {U}(You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)
Whenever you cast a spell during an opponent's turn, put a charge counter on Gift of the Sphinx. At the beginning of your upkeep, draw a card for each charge counter on Gift of the Sphinx.