Urza's Saga

At the beginning of your upkeep, flip a coin. If you lose the flip, return Scoria Wurm to its owner's hand.

Flying (This creature can't be blocked except by creatures with flying or reach.) {1}{R}: Shivan Hellkite deals 1 damage to any target.

First strike, haste Echo {2}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrific...

{R}: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the nex...

When Monk Idealist enters the battlefield, return target enchantment card from your graveyard to your hand.

Flying Echo {2}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unles...

Destroy each artifact with converted mana cost X or less.

Okk can't attack unless a creature with greater power also attacks. Okk can't block unless a creature with greater power also blocks.

Whenever Electryte deals combat damage to defending player, it deals damage equal to its power to each blocking creature.

Creatures without flying can't block this turn.

Fault Line deals X damage to each creature without flying and each player.

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

Whenever Goblin Cadets blocks or becomes blocked, target opponent gains control of it. (This removes Goblin Cadets from combat.)

{T}: Destroy target creature with power 4 or greater.

Whenever Goblin Lackey deals damage to a player, you may put a Goblin permanent card from your hand onto the battlefield.

When Goblin Matron enters the battlefield, you may search your library for a Goblin card, reveal that card, put it into your hand, then shuffle you...

Create X 1/1 red Goblin creature tokens.

Acidic Soil deals damage to each player equal to the number of lands they control.

At the beginning of each player's end step, Antagonism deals 2 damage to that player unless one of their opponents was dealt damage this turn.

Arc Lightning deals 3 damage divided as you choose among one, two, or three targets.

Creatures can't block.

Gain control of all permanents you own. (This effect lasts indefinitely.) Cycling {2} ({2}, Discard this card: Draw a card.)

Enchant creature Whenever enchanted creature deals combat damage to a player, that player sacrifices a land.

Whenever a creature enters the battlefield, its controller sacrifices a creature or land.