Urza's Saga

{B}: This creature gets +1/+1 until end of turn.

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...

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

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

Whenever Karn blocks or becomes blocked, it gets -4/+4 until end of turn. {1}: Target noncreature artifact becomes an artifact creature with power ...

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

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

Until end of turn, target creature loses all abilities and has base power and toughness 0/1.

Whenever this creature attacks, it gets +2/+0 until end of turn.

Whenever an opponent plays a land, if this permanent is an enchantment, it becomes a 3/2 Elk Beast creature. Whenever you play a land, if this perm...

When an opponent casts a creature spell with flying, if this permanent is an enchantment, it becomes a 3/5 Spider creature with reach. (It can bloc...

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

When an opponent casts an enchantment spell, if this permanent is an enchantment, it becomes a 5/5 Treefolk creature.

Return all green permanents to their owners' hands.

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

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...

Heat Ray deals X damage to target creature.

Choose one — • Target player gains 3 life. • Prevent the next 3 damage that would be dealt to any target this turn.

Attacking creatures gain first strike until end of turn.

Flying Shroud (This creature can't be the target of spells or abilities.)

Protection from blue

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...

Haste Echo {1}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless yo...

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