Flying
Whenever you gain life for the first time each turn, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

(: Add .)

When this creature enters, draw a card.
Whenever you cast a creature spell, you may pay . If you do, return this card from your graveyard to your hand.

Flash
, Return an unblocked attacking Rogue you control to its owner's hand: Put this card from your hand onto the battlefield tapped and attacking.
Whenever Zareth San deals combat damage to a player, you may put target permanent card from that player's graveyard onto the battlefield under your control.

Enchant creature
Enchanted creature gets +2/+2, has vigilance, and can't attack you or planeswalkers you control.

Flying
Whenever this creature becomes the target of a spell or ability, this creature gets +0/+3 until end of turn.

Enchant creature
Enchanted creature gets +7/+7 and has trample.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Lightning — This creature deals 3 damage to each of up to two target creatures.
II — Ice — Up to three target creatures can't block this turn.
III — Fire — Discard a card, then draw two cards. When you discard a card this way, this creature deals damage equal to that card's mana value to each opponent.
Trample, haste

Look at the top three cards of your library. Put one of them into your hand, put one of them on the bottom of your library, and exile one of them. You may play the exiled card this turn.

Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.)
You have no maximum hand size.
Max speed — If you would draw a card, draw two cards instead.

When this creature dies, create a 1/1 green Saproling creature token.

Flying
Whenever a nontoken artifact you control enters, you may pay . If you do, create a token that's a copy of that artifact.

Creature tokens you control get +1/+1 and have vigilance.

(: Add .)

Protection from green (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything green.)
Creatures your opponents control can't have +1/+1 counters put on them.

( can be paid with either or .)
Flying
When this creature enters, sacrifice it unless you discard two cards.

Flying
At 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.

When a spell you control deals damage, transform this creature.

When Sokka enters, discard up to two cards, then draw that many cards.
Whenever you cast an artifact or Lesson spell, put a +1/+1 counter on Sokka.

Enchant creature
You control enchanted creature.
At the beginning of your upkeep, sacrifice this Aura unless you return a land you control to its owner's hand.