Urza's Saga

When Priest of Gix enters the battlefield, add {B}{B}{B}.

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

{2}, Sacrifice a permanent: Return target creature to its owner's hand.

When Sleeper Agent enters the battlefield, target opponent gains control of it. At the beginning of your upkeep, Sleeper Agent deals 2 damage to you.

Flying Discard a card: Add {B}.

Shroud (This creature can't be the target of spells or abilities.) Whenever you cast an enchantment spell, draw a card.

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

Trample At the beginning of your upkeep, sacrifice Endless Wurm unless you sacrifice an enchantment.

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...

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 ...

When Stern Proctor enters the battlefield, return target artifact or enchantment to its owner's hand.

{U}: Untap Horseshoe Crab.

{U}: Untap Morphling. {U}: Morphling gains flying until end of turn. {U}: Morphling gains shroud until end of turn. (It can't be the target of spel...

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

Defender, flying Prevent all combat damage that would be dealt to and dealt by Fog Bank.

When Great Whale enters the battlefield, untap up to seven lands.

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

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.)

{1}{W}, {T}: Target creature becomes an enchantment and loses all abilities until a player casts a creature spell.

Defender (This creature can't attack.) When Wall of Junk blocks, return it to its owner's hand at end of combat. (Return it only if it's on the bat...

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