Four Knocks [WHO - 20] Dominaria put a 3/3 colorless Wurm

put a 3/3 colorless Wurm artifact creature token with deathtouch and a 3/3 colorless Wurm artifact creature token with lifelink onto the battlefield

Rules Text Contains: Whenever you play an instant or sorcery spell

You may cast creature spells with mana value 3 or less by paying E rather than paying their mana costs

the Covetous or another Vampire enters the battlefield under your control

Four Knocks [WHO - 20] Dominaria put a 3/3 colorless WurmRarity: R #: 20 Creature Type or Sub Type: Enchantment Rules Text Contains: Vanishing 4 (This enchantment enters the battlefield with four time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) At the beginning of your precombat main phase, draw a card. Flavor: "Wilfred, it's my honor. Better be quick. Three, two, one."