Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
Whenever a +1/+1 counter is put on this creature, you may draw a card.

At the beginning of each opponent's upkeep, if that player has two or fewer cards in hand, this creature deals 3 damage to that player.

( can be paid with either or .)
Other green creatures you control get +1/+1.
Other white creatures you control get +1/+1.
If a spell or ability an opponent controls causes you to discard this card, put it onto the battlefield instead of putting it into your graveyard.

Whenever an opponent casts a spell, Kaervek deals damage equal to that spell's mana value to any target.

Threshold — As long as there are seven or more cards in your graveyard, this creature gets +1/+1 and has ": Target attacking or blocking creature gets +3/+3 until end of turn."

Prevent all combat damage that would be dealt to players this turn.

As this artifact enters, choose a creature type.
Whenever a permanent you control of the chosen type enters, put a charge counter on this artifact.
, Remove three charge counters from this artifact: When you next cast an instant or sorcery spell this turn, copy it. You may choose new targets for the copy.

(: Add .)

You may play lands from your graveyard.
Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Until end of turn, target creature you control becomes a blue Dragon Illusion with base power and toughness 4/4, loses all abilities, and gains flying.

: Add .
, : Add one mana of any color.

, , Discard a card: Create two 1/1 white Citizen creature tokens.

Flying
This creature enters with a -1/-1 counter on it.

Enchant creature
Enchanted creature has double strike. (It deals both first-strike and regular combat damage.)

Visit — Choose up to four creatures you control. Those creatures jump in a log until end of turn. (Creatures in a log together can't be blocked unless they're all blocked. If a spell or ability you control targets one of them, it targets all of them.)

(: Add .)

Target opponent reveals their hand. You choose a nonland card from it and exile that card.
Delirium — If there are four or more card types among cards in your graveyard, search that player's graveyard, hand, and library for any number of cards with the same name as the exiled card, exile those cards, then that player shuffles.

Vigilance (Attacking doesn't cause this creature to tap.)
Whenever you attack with three or more creatures, put a +1/+1 counter on target creature you control.

Vanishing 3 (This enchantment enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
When this enchantment enters and at the beginning of your first main phase, exile target creature an opponent controls until this enchantment leaves the battlefield.

Draw X cards, then discard a card.