Urza's Saga

Enchant creature Enchanted creature can't be blocked.

Return Attunement to its owner's hand: Draw three cards, then discard four cards.

Counter target artifact or enchantment spell.

When an opponent casts a spell, if Veiled Sentry is an enchantment, Veiled Sentry becomes an Illusion creature with power and toughness each equal ...

Flying When Spire Owl enters the battlefield, look at the top four cards of your library, then put them back in any order.

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

Return target permanent to its owner's hand. Cycling {2} ({2}, Discard this card: Draw a card.)

Enchant enchantment At the beginning of the upkeep of enchanted enchantment's controller, that player loses 2 life unless they pay {2}. Cycling {2}...

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...

Enchant creature Enchanted creature has "At the beginning of your upkeep, sacrifice this creature unless you pay its mana cost."

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

Enchant creature Enchanted creature has flying. When Launch is put into a graveyard from the battlefield, return Launch to its owner's hand.

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

Return all green permanents to their owners' hands.

Enchant creature Enchanted creature has "{T}: This creature deals 1 damage to any target."

Draw two cards, then discard a card.

Attach target Aura attached to a creature or land to another permanent of that type.

Each player can't cast more than one spell each turn.

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

{1}{U}: Counter target red spell.

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

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

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...

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