Learned Learner

You have no maximum hand size.

At the beginning of your upkeep, if you have exactly thirteen cards in your hand, you win the game.

: Draw a card.

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.

, : Draw a card. If you have nine or more cards in hand, flip this creature.

Defender

Your maximum hand size is increased by one.

, : Look at the top card of your library. If it's a snow card, you may reveal it and put it into your hand. ( can be paid with one mana from a snow source.)

(Gain the next level as a sorcery to add its ability.)

You have no maximum hand size.

: Level 2

When this Class becomes level 2, draw two cards.

: Level 3

Whenever you draw a card, put a +1/+1 counter on target creature you control.