Urza's Saga

Flying When Dark Hatchling enters the battlefield, destroy target nonblack creature. It can't be regenerated.

At the beginning of your upkeep, if you have a card in hand, return Imaginary Pet to its owner's hand.

At the beginning of each player's upkeep, if that player controls more lands than each other player, the player creates a 1/1 green Saproling creat...

At the beginning of your upkeep, Bulwark deals X damage to target opponent, where X is the number of cards in your hand minus the number of cards i...

Prevent all damage that would be dealt to you by sources you don't control. When a card is put into your graveyard from anywhere, sacrifice Energy ...

Whenever a player casts a spell, that player discards a card.

{T}: Add {W} for each enchantment you control.

{4}, Sacrifice Copper Gnomes: You may put an artifact card from your hand onto the battlefield.

{T}: Add {C}. {T}, Sacrifice a creature: Add {B}{B}.

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...

Creatures can't block.

Flying, vigilance Echo {2}{W}{W} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifi...

Sacrifice any number of artifacts, creatures, and/or lands. Draw a card for each permanent sacrificed this way.

Flying When Gilded Drake enters the battlefield, exchange control of Gilded Drake and up to one target creature an opponent controls. If you don't ...

Nonbasic lands don't untap during their controllers' untap steps.

Destroy all lands or all creatures. Creatures destroyed this way can't be regenerated.

Whenever a Forest is tapped for mana, its controller adds an additional {G}.

Creatures you control have "{T}: Add {G}."

Trample When Argothian Wurm enters the battlefield, any player may sacrifice a land. If a player does, put Argothian Wurm on top of its owner's lib...

When an opponent casts a creature spell, if Opal Archangel is an enchantment, Opal Archangel becomes a 5/5 Angel creature with flying and vigilance.

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

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

Exile Ill-Gotten Gains. Each player discards their hand, then returns up to three cards from their graveyard to their hand.

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