Urza's Saga

When Cathodion dies, add {C}{C}{C}.

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

Flying Shroud (This creature can't be the target of spells or abilities.)

Flying When Peregrine Drake enters the battlefield, untap up to five lands.

{U}: Untap Horseshoe Crab.

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

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

Whenever Flesh Reaver deals damage to a creature or opponent, Flesh Reaver deals that much damage to you.

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

{B}{B}, {T}: Destroy target white creature.

When Academy Researchers enters the battlefield, you may put an Aura card from your hand onto the battlefield attached to Academy Researchers.

{G}: Target creature gains trample until end of turn.

Cycling {2} ({2}, Discard this card: Draw a card.)

Flying Whenever Somnophore deals damage to a player, tap target creature that player controls. That creature doesn't untap during its controller's ...

Flying At the beginning of your upkeep, sacrifice Drifting Djinn unless you pay {1}{U}. Cycling {2} ({2}, Discard this card: Draw a card.)

Whenever Seasoned Marshal attacks, you may tap target creature.

Defender (This creature can't attack.) First strike Cycling {2} ({2}, Discard this card: Draw a card.)

Wirecat can't attack or block if an enchantment is on the battlefield.

{0}: Hopping Automaton gets -1/-1 and gains flying until end of turn.

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

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...

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.