Hallowed Fountain [Ravnica Allegiance]Set: Ravnica Allegiance Type: Land Plains Island Rarity: Rare ({T}: Add {W} or {U}.) As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped. The ever watchful center of a growing web of eyes.

Set: From the Vault: Transform Type: Legendary Creature — Angel Horror Rarity: Mythic Cost: {2}{W}{W} Flying

By the battle of Red Cliffs in the year 208

Set: Vanguard Series Type: Vanguard Rarity: Rare {3}: Urza deals 1 damage to any target

If it's a nonland card

Rebound (If you cast this spell from your hand

Each player who doesn't win the subgame loses half their life

Set: Ninth Edition Type: Enchantment Rarity: Rare Cost: {2}{G}{G} Sacrifice a creature: Draw cards equal to the sacrificed creature's power

Set: Commander's Arsenal Type: Artifact Rarity: Rare Cost: {2} {1}

untap all creatures you control

Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder

Set: Time Spiral Timeshifted Type: Artifact Rarity: Rare Cost: {0} {1}

and vigilance