Niv-Mizzet, the Firemind

Flying
Whenever you draw a card, Niv-Mizzet, the Firemind deals 1 damage to any target.
{T}: Draw a card.

Padeem, Consul of Innovation

Artifacts you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)
At the beginning of your upkeep, if you control the artifact with the highest mana value or tied for the highest mana value, draw a card.

Wave of Indifference

X target creatures can't block this turn.

Goblin Offensive

Goblin Gardener

When Goblin Gardener dies, destroy target land.

Plains

Border Guard

Fodder Cannon

{4}, {T}, Sacrifice a creature: Fodder Cannon deals 4 damage to target creature.

Foul Imp

Flying
When Foul Imp enters, you lose 2 life.

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Werebear

{T}: Add {G}.
Threshold — Werebear gets +3/+3 as long as seven or more cards are in your graveyard.

Reparations

Whenever an opponent casts a spell that targets you or a creature you control, you may draw a card.

Raging Goblin

Haste (This creature can attack and {T} as soon as it comes under your control.)

Root Greevil

{2}{G}, {T}, Sacrifice Root Greevil: Destroy all enchantments of the color of your choice.

Goblin Arsonist

When Goblin Arsonist dies, you may have it deal 1 damage to any target.

Norin the Wary

When a player casts a spell or a creature attacks, exile Norin the Wary. Return it to the battlefield under its owner's control at the beginning of the next end step.

Atogatog

Sacrifice an Atog creature: Atogatog gets +X/+X until end of turn, where X is the sacrificed creature's power.

Ertai, Wizard Adept

Reya Dawnbringer

Flying
At the beginning of your upkeep, you may return target creature card from your graveyard to the battlefield.