Urza's Saga

{T}: Fire Ants deals 1 damage to each other creature without flying.

Whenever Dromosaur blocks or becomes blocked, it gets +2/-2 until end of turn.

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

{B}: Regenerate Unworthy Dead.

When Spined Fluke enters the battlefield, sacrifice a creature. {B}: Regenerate Spined Fluke.

Flying When you cast a creature spell, sacrifice Skittering Skirge.

First strike {1}{B}: Regenerate Sanguine Guard.

Flying Whenever Ravenous Skirge attacks, it gets +2/+0 until end of turn.

Sacrifice a creature: Phyrexian Ghoul gets +2/+2 until end of turn.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever Order of Yawgmoth deals damage to a player, tha...

Sacrifice an enchantment: You gain life equal to the sacrificed enchantment's converted mana cost.

{B}: Looming Shade gets +1/+1 until end of turn.

Whenever Hollow Dogs attacks, it gets +2/+0 until end of turn.

{T}: Elite Archers deals 3 damage to target attacking or blocking creature.

Flying When Dark Hatchling enters the battlefield, destroy target nonblack creature. It can't be regenerated.

When Cackling Fiend enters the battlefield, each opponent discards a card.

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

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

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

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

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

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

When Stern Proctor enters the battlefield, return target artifact or enchantment to its owner's hand.

Flying Whenever Somnophore deals damage to a player, tap target creature that player controls. That creature doesn't untap during its controller's ...