Urza's Saga

Pay half your life, rounded up: Lurking Evil becomes a 4/4 Horror creature with flying.

{R}: Flip a coin. If you win the flip, return Viashino Sandswimmer to its owner's hand. If you lose the flip, sacrifice Viashino Sandswimmer.

Whenever an opponent plays a land, if Hidden Stag is an enchantment, Hidden Stag becomes a 3/2 Elk Beast creature. Whenever you play a land, if Hid...

When a player has no cards in hand, if Veiled Crocodile is an enchantment, Veiled Crocodile becomes a 4/4 Crocodile creature.

At the beginning of your upkeep, Purging Scythe deals 2 damage to the creature with the least toughness. If two or more creatures are tied for leas...

When an opponent casts a creature spell, if Opal Titan is an enchantment, Opal Titan becomes a 4/4 Giant creature with protection from each of that...

Flying When Abyssal Horror enters the battlefield, target player discards two cards.

Destroy target artifact or enchantment.

Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspe...

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

Shower of Sparks deals 1 damage to target creature and 1 damage to target player or planeswalker.

When an opponent casts an artifact spell, if Hidden Guerrillas is an enchantment, Hidden Guerrillas becomes a 5/3 Soldier creature with trample.

{1}{W}: Prevent all combat damage that would be dealt this turn by target attacking creature with flying.

{T}: Prevent the next 2 damage that would be dealt to any target this turn.

{T}: Return Wizard Mentor and target creature you control to their owner's hand.

Enchant creature Enchanted creature gets +2/+2 and has flying. {R}: Enchanted creature gets +1/+0 until end of turn.

Goblin Raider can't block.

Destroy target land or nonblack creature. It can't be regenerated.

If a source would deal damage to you, prevent 1 of that damage.

Whenever a player casts an enchantment spell, counter it.

{T}: You gain 1 life.

Destroy two target lands.

Jagged Lightning deals 3 damage to each of two target creatures.

Draw two cards, then discard a card.