Cavalier of Night [Core Set 2020] Island Mountain Put up to one of

Put up to one of them on top of your library and the rest on the bottom of your library in a random order

and who was ultimately responsible for what it became over time

Set: Classic Sixth Edition Type: Instant Rarity: Uncommon Cost: {W} Search your library for an artifact or enchantment card

Take an extra turn after this one if an opponent cast a blue spell this turn

Set: Unlimited Edition Type: Creature — Human Knight Rarity: Rare Cost: {2}{W}{W} {W}{W}

Cavalier of Night [Core Set 2020] Island Mountain Put up to one ofSet: Core Set 2020 Type: Creature Elemental Knight Rarity: Mythic Cost: {2}{B}{B}{B} Lifelink When Cavalier of Night enters the battlefield, you may sacrifice another creature. When you do, destroy target creature an opponent controls. When Cavalier of Night dies, return target creature card with mana value 3 or less from your graveyard to the battlefield.