When Lightform enters, it becomes an Aura with enchant creature. Manifest the top card of your library and attach Lightform to it. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)Enchanted creature has flying and lifelink.
When Myr Battlesphere enters, create four 1/1 colorless Myr artifact creature tokens.Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.
Enchant creatureEnchanted creature gets +1/+1 for each card in its controller's hand.At the beginning of the draw step of enchanted creature's controller, that player draws an additional card.
FlyingAt the beginning of your upkeep, each player reveals the top card of their library, loses life equal to that card's mana value, then puts it into their hand.
FlyingDjinn of Wishes enters with three wish counters on it., Remove a wish counter from Djinn of Wishes: Reveal the top card of your library. You may play that card without paying its mana cost. If you don't, exile it.
Put target artifact, creature, or enchantment on the bottom of its owner's library.Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)When Acidic Slime enters, destroy target artifact, enchantment, or land.