Keeper of Secrets

Menace

Paradox — Whenever you cast a spell from anywhere other than your hand, this creature deals 3 damage to any target. Then put a +1/+1 counter on this creature.

When this creature dies, it deals damage equal to its power to each opponent.

First strike

When this creature enters, target opponent may have you draw three cards. If the player doesn't, you mill three cards, then this creature deals damage to that player equal to the total mana value of those cards.

Flying

Spells your opponents cast that target this creature cost an additional 3 life to cast.

Whenever another creature you control enters, this creature deals damage equal to that creature's power to any target.

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

Whenever this creature enters or attacks, discard a card, then seek a nonland card. When you discard a card this way, this creature deals damage equal to the discarded card's mana value to any target.

(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