Urza's Saga

When an opponent casts a creature spell, if Opal Caryatid is an enchantment, Opal Caryatid becomes a 2/2 Soldier creature.

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 ...

Whenever Viashino Weaponsmith becomes blocked by a creature, Viashino Weaponsmith gets +2/+2 until end of turn.

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

At the beginning of your upkeep, you may put a verse counter on War Dance. Sacrifice War Dance: Target creature gets +X/+X until end of turn, where...

Echo {2}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay ...

Slippery Karst enters the battlefield tapped. {T}: Add {G}. Cycling {2} ({2}, Discard this card: Draw a card.)

At the beginning of your upkeep, if a player has more life than each other player, the player with the most life gains control of Wild Dogs. Cyclin...

You gain 6 life. Cycling {2} ({2}, Discard this card: Draw a card.)

Creatures with flying get -2/-0.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

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...

At the beginning of your upkeep, you may put a page counter on Barrin's Codex. {4}, {T}, Sacrifice Barrin's Codex: Draw X cards, where X is the num...

{X}: Chimeric Staff becomes an X/X Construct artifact creature until end of turn.

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...

Enchant creature Enchanted creature gets +2/+2 and has flying and shroud. (It can't be the target of spells or abilities.)