Whenever you cast a spell during an opponent's turn, you get an experience counter.
Whenever Katara attacks, you may draw a card for each experience counter you have. If you do, discard a card.

Vigilance, trample, lifelink
Once during each of your turns, you may cast an Aura or Equipment spell from your graveyard.

(: Add .)

Choose a creature type. Destroy all creatures that aren't of the chosen type.

Enchant creature
Enchanted creature is goaded.
If enchanted creature would deal combat damage to a permanent or player, it deals double that damage instead.
: Return this card from your graveyard to your hand.

Enchant creature card in a graveyard
When this Aura enters, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with this Aura." Return enchanted creature card to the battlefield under your control and attach this Aura to it. When this Aura leaves the battlefield, that creature's controller sacrifices it.
Enchanted creature gets -1/-0.

Paradox — Draw a card for each spell you've cast this turn from anywhere other than your hand.
Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

, Sacrifice this artifact: Look at a card at random in target player's hand. You draw a card at the beginning of the next turn's upkeep.

Draw cards equal to the number of cards in target opponent's hand.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Flying, trample
Whenever a Dragon you control attacks, it gains double strike until end of turn.

This land enters tapped.
: Add .
As long as you control six or more lands, lands you control have ": Add one mana of any color."
, , Sacrifice this land: Search your library for any number of God cards, put them onto the battlefield, then shuffle.

(: Add or .)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

(: Add .)

Flying
Whenever this creature enters or attacks, target opponent sacrifices a creature or planeswalker of their choice, discards a card, and loses 3 life. You draw a card and gain 3 life.

: Add .
: Add . Activate only if you control a Plains or an Island.

When this creature enters, create X Treasure tokens, where X is the number of artifacts and enchantments your opponents control. (Treasure tokens are artifacts with ", Sacrifice this token: Add one mana of any color.")

Whenever a creature dies, you may pay . If you do, this creature becomes a copy of that creature, except it has this ability.

Deathtouch
Whenever this creature enters or attacks, create two 2/2 black Zombie creature tokens.

Target player mills three cards.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

(: Add or .)
This land enters tapped.
When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)