Blue Sun's Zenith [Strixhaven: Mystical Archive] Enchantment Bloodthirster can't attack a player

Bloodthirster can't attack a player it has already attacked this turn

the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card

You may put that card on the bottom of that player's library

untap the creature

shuffle target nonland permanent an opponent controls with mana value X or less into its owner's library

Blue Sun's Zenith [Strixhaven: Mystical Archive] Enchantment Bloodthirster can't attack a playerSet: Strixhaven: Mystical Archive Type: Instant Rarity: Mythic Cost: {X}{U}{U}{U} Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library. "Five suns! Can you even imagine how complicated the orbital calculations must be? What I wouldn't give to tackle an equation like that!" Zimone, Quandrix mage student