Urza's Saga

Polluted Mire enters the battlefield tapped. {T}: Add {B}. Cycling {2} ({2}, Discard this card: Draw a card.)

When an opponent casts a spell, if Veil of Birds is an enchantment, Veil of Birds becomes a 1/1 Bird creature with flying.

Enchant creature Enchanted creature gets -1/-1. Cycling {2} ({2}, Discard this card: Draw a card.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

{2}{B}, {T}: Exile up to three target cards from a single graveyard.

Enchant creature Enchanted creature gets -2/-0. When Despondency is put into a graveyard from the battlefield, return Despondency to its owner's hand.

Enchant creature Enchanted creature gets +1/+2. When Brilliant Halo is put into a graveyard from the battlefield, return Brilliant Halo to its owne...

{T}: Counter target spell unless its controller pays {1}.

As an additional cost to cast this spell, sacrifice a land. Destroy target land.

Each opponent discards two cards.

{T}: Add {G} for each Elf on the battlefield.

Trample

{W}: The next time a red source of your choice would deal damage to you this turn, prevent that damage. Cycling {2} ({2}, Discard this card: Draw a...

Echo {4}{G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay ...

Enchant creature Whenever enchanted creature deals damage to a creature, destroy the other creature.

Whenever Cave Tiger becomes blocked by a creature, Cave Tiger gets +1/+1 until end of turn.

When Monk Realist enters the battlefield, destroy target enchantment.

Sacrifice Blood Vassal: Add {B}{B}.

Echo {1}{G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay ...

Attacking creatures gain first strike until end of turn.

When an opponent casts a spell, if Veiled Serpent is an enchantment, Veiled Serpent becomes a 4/4 Serpent creature with "This creature can't attack...

Heat Ray deals X damage to target creature.

Whenever Retromancer becomes the target of a spell or ability, Retromancer deals 3 damage to that spell or ability's controller.