Squee

Your opponents play with their hands revealed.

Urza

Sliver Queen, Brood Mother

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

Selenia

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.

Mishra

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

Sword of Feast and Famine

Equipped creature gets +2/+2 and has protection from black and from green.
Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control.
Equip {2}

Maraxus

Titania

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

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.

Xantcha

Sacrifice a permanent: Regenerate target creature.

Barrin

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

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

Takara

Sacrifice a creature: Takara deals 1 damage to any target.

Sword of the Animist

Equipped creature gets +1/+1.
Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
Equip {2}

Sisay

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

Orim

Gerrard

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

Land Tax

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Sidar Kondo

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

Rofellos

Whenever a creature you control dies, draw a card.

Serra

Ral's Vanguard

Requirement — Your starting deck contains only instant, sorcery, and land cards.
Starting hand size +1 Starting life total -5
If an instant or sorcery spell you cast would cause you to draw one or more cards, draw an additional card. If an instant or sorcery spell you cast would deal damage to a permanent or player, it deals 1 additional damage to that permanent or player.

Volrath

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

Ertai

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

Crovax

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

Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Sword of Body and Mind

Equipped creature gets +2/+2 and has protection from green and from blue.
Whenever equipped creature deals combat damage to a player, you create a 2/2 green Wolf creature token and that player mills ten cards.
Equip {2}

Ancient Silver Dragon

Flying
Whenever Ancient Silver Dragon deals combat damage to a player, roll a d20. Draw cards equal to the result. You have no maximum hand size for the rest of the game.

Multani

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

Greven il-Vec

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

Ancient Copper Dragon

Flying
Whenever Ancient Copper Dragon deals combat damage to a player, roll a d20. You create a number of Treasure tokens equal to the result.

Sword of Hearth and Home

Equipped creature gets +2/+2 and has protection from green and from white.
Whenever equipped creature deals combat damage to a player, exile up to one target creature you own, then search your library for a basic land card. Put both cards onto the battlefield under your control, then shuffle.
Equip {2}

Eye of Ugin

Colorless Eldrazi spells you cast cost {2} less to cast.
{7}, {T}: Search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.

Ashnod

Whenever a creature deals damage to you, destroy it.

Hanna

Lyna

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

Tahngarth

Tawnos

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

Oracle

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

Ancient Brass Dragon

Flying
Whenever Ancient Brass Dragon deals combat damage to a player, roll a d20. When you do, put any number of target creature cards with total mana value X or less from graveyards onto the battlefield under your control, where X is the result.

Karn

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

Eladamri

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