Cavalier of Night [Core Set 2020] Vanguard but my host would casually

but my host would casually push it down before I could make out what it was

It roams in both the worlds of the living and the dead but belongs to neither

another target Cat you control gets +3/+3 until end of turn

If it's a nonland card

Cavalier of Night [Core Set 2020] Vanguard but my host would casuallySet: 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.