Flying
When this creature enters, you may mill four cards. (You may put the top four cards of your library into your graveyard.)
When this creature dies, you may exile this card. When you do, return target creature card from your graveyard to your hand.

Dinosaur spells you cast cost less to cast.

, : Put a charge counter on this artifact.
, Remove any number of charge counters from this artifact: Add , then add an additional for each charge counter removed this way.

, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

Defender
Sokrates has hexproof as long as it's untapped.
Sokratic Dialogue — : Until end of turn, target creature gains "If this creature would deal combat damage to a player, prevent that damage. This creature's controller and that player each draw half that many cards, rounded down."

, Sacrifice this creature: Draw a card.

Whenever one or more creatures attack, you may have target attacking creature gain double strike until end of turn.

For each creature target player controls, create a token that's a copy of that creature.

This land enters tapped unless you control an Island or a Swamp.
: Add or .

As this creature enters, choose a creature type.
This creature is the chosen type in addition to its other types.
Each other creature you control of the chosen type enters with an additional +1/+1 counter on it.

: If Frodo is a Citizen, it becomes a Halfling Scout with base power and toughness 2/3 and lifelink.
: If Frodo is a Scout, it becomes a Halfling Rogue with "Whenever this creature deals combat damage to a player, that player loses the game if the Ring has tempted you four or more times this game. Otherwise, the Ring tempts you."

Kagemaro's power and toughness are each equal to the number of cards in your hand.
, Sacrifice Kagemaro: All creatures get -X/-X until end of turn, where X is the number of cards in your hand.

Flying
When this creature dies, return another target artifact card from your graveyard to your hand.

This spell costs less to cast for each other spell cast this turn.
Trample, haste
Trample over planeswalkers (This creature can deal excess combat damage to the controller of the planeswalker it's attacking.)
Thrasta has hexproof as long as it entered this turn.

Draw a card. If a graveyard has twenty or more cards in it, draw three cards instead.

Zombies you control get +1/+1.
: Target creature card in your graveyard gains embalm until end of turn. The embalm cost is equal to its mana cost. (Exile that card and pay its embalm cost: Create a token that's a copy of it, except it's a white Zombie in addition to its other types and has no mana cost. Embalm only as a sorcery.)

This creature can't block.
This creature has haste as long as an opponent has 10 or less life.
Landfall — Whenever a land you control enters, you may return this card from your graveyard to the battlefield.

When this creature enters, you become the monarch.
All damage that would be dealt to you is dealt to this creature instead.

(Gain the next level as a sorcery to add its ability.)
When this Class enters, draw two cards, then discard two cards.
: Level 2
Creatures you control have ": Add or . Spend this mana only to cast an instant or sorcery spell or to gain a Class level."
: Level 3
Whenever you cast an instant or sorcery spell, that spell deals damage to each opponent equal to the number of instant and sorcery spells you've cast this turn.

You may play lands from your graveyard.
: Choose target nonland permanent card in your graveyard. If you haven't cast a spell this turn, you may cast that card. If you do, you can't cast additional spells this turn. Activate only as a sorcery.