Volrath

Whenever a creature you control is put into your graveyard from the battlefield, you may put it on top of your library.

Multani

Creatures you control get +X/+0, where X is the number of cards in your hand.

Serra

Urza

Lyna

Creatures you control have shadow. (They can block and be blocked only by creatures with shadow.)

{3}: Return target creature card from your graveyard to your hand.

Sliver Queen, Brood Mother

{3}: Create a 1/1 colorless Sliver creature token.

Tawnos

You may cast artifact, creature, and enchantment spells as though they had flash.

Xantcha

Sacrifice a permanent: Regenerate target creature.

Greven il-Vec

Whenever a creature you control deals damage to a creature, destroy the other creature. It can't be regenerated.

Ashnod

Whenever a creature deals damage to you, destroy it.

Rofellos

Whenever a creature you control dies, draw a card.

Ertai

Creatures you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)

Hanna

Gerrard

At the beginning of your draw step, draw an additional card.

Oracle

{0}: Untap target attacking creature you control and remove it from combat.

Crovax

Whenever a creature you control deals damage to a creature or player, you gain 1 life.

Orim

Sidar Kondo

{3}: Target creature gets +3/+3 until end of turn.

Squee

Your opponents play with their hands revealed.

Selenia

Titania

You may play an additional land on each of your turns.

Barrin

Sacrifice a permanent: Return target creature to its owner's hand.

Starke

At the beginning of your draw step, you may draw an additional card. If you do, put a card from your hand on the bottom of your library.

Mirri

If a basic land you control is tapped for mana, it produces mana of a color of your choice instead of any other type.

Eladamri

{0}: The next 1 damage that would be dealt to target creature you control is dealt to you instead.

Sisay

Whenever you tap a land for mana, add one mana of any type that land produced.

Mishra

If a creature you control would deal damage, it deals double that damage instead.

Maraxus

Karn

Each noncreature artifact you control is an artifact creature with power and toughness each equal to its mana value.