Wren's Run Vanquisher [Lorwyn] Bird Serpent and it can't be sacrificed

and it can't be sacrificed this turn

if it's attacking the player with the most life or tied for most life

On countless frontier worlds

Set: Zendikar Rising Prerelease Promos Type: Sorcery // Land Rarity: Mythic Cost: {4}{U}{U}{U} Draw cards equal to the number of cards in your hand plus one

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Promos Type: Creature — Elf Druid Rarity: Rare Cost: {G}{G}{G} {T}: Add {G} for each creature you control

Wren's Run Vanquisher [Lorwyn] Bird Serpent and it can't be sacrificedSet: Lorwyn Type: Creature Elf Warrior Rarity: Uncommon Cost: {1}{G} As an additional cost to cast this spell, reveal an Elf card from your hand or pay {3}. Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)