Sell-Sword Brute

When this creature dies, it deals 2 damage to you.

Smash

Sparkmage Apprentice

When this creature enters, it deals 1 damage to any target.

Stoneshaker Shaman

At the beginning of each player's end step, that player sacrifices an untapped land of their choice.

Surge of Zeal

Radiance — Target creature and each other creature that shares a color with it gain haste until end of turn.

Torpid Moloch

Defender (This creature can't attack.)
Sacrifice three lands: This creature loses defender until end of turn.

Viashino Fangtail

{T}: This creature deals 1 damage to any target.

Viashino Slasher

{R}: This creature gets +1/-1 until end of turn.

Dromad Purebred

Whenever this creature is dealt damage, you gain 1 life.

Warp World

Each player shuffles all permanents they own into their library, then reveals that many cards from the top of their library. Each player puts all artifact, creature, and land cards revealed this way onto the battlefield, then does the same for enchantment cards, then puts all cards revealed this way that weren't put onto the battlefield on the bottom of their library.

War-Torch Goblin

{R}, Sacrifice this creature: It deals 2 damage to target blocking creature.

Wojek Embermage

Radiance — {T}: This creature deals 1 damage to target creature and each other creature that shares a color with it.

Birds of Paradise

Saproling

Bramble Elemental

Whenever an Aura becomes attached to this creature, create two 1/1 green Saproling creature tokens.

Carven Caryatid

Defender (This creature can't attack.)
When this creature enters, draw a card.

Chord of Calling

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

Ravnica: City of Guilds