Urza's Saga

Whenever Cave Tiger becomes blocked by a creature, Cave Tiger gets +1/+1 until end of turn.

When Monk Realist enters the battlefield, destroy target enchantment.

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

Creatures you control get +1/+1.

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

At the beginning of each player's upkeep, that player returns a permanent they control to its owner's hand unless they pay 2 life.

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

Serra Avatar's power and toughness are each equal to your life total. When Serra Avatar is put into a graveyard from anywhere, shuffle it into its ...

All creatures have protection from black.

Whenever a creature dies, if another creature is on the battlefield, return the first card to the battlefield under its owner's control at the begi...

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 ...

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

Attacking creatures gain first strike until end of turn.

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...

Heat Ray deals X damage to target creature.

Each player sacrifices four lands. Wildfire deals 4 damage to each creature.

Whenever Retromancer becomes the target of a spell or ability, Retromancer deals 3 damage to that spell or ability's controller.

{B}: Regenerate Unworthy Dead.

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

Enchant creature Enchanted creature gets +1/+1 for each other creature you control.

Treefolk Seedlings's toughness is equal to the number of Forests you control.

{G}, {T}, Sacrifice Elvish Lyrist: Destroy target enchantment.

{T}: Add {C}. {2}{R}, {T}: Shivan Gorge deals 1 damage to each opponent.

Whenever a player casts a green spell, put a +1/+1 counter on Titania's Chosen.