Surveil 3, then return a creature card from your graveyard to the battlefield with a finality counter on it. Exile Charnel Serenade with three time counters on it.

Suspend 3— (Rather than cast this card from your hand, you may pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

If you control two or more other lands, Hall of Storm Giants enters the battlefield tapped.

: Add .

: Until end of turn, Hall of Storm Giants becomes a 7/7 blue Giant creature with ward . It's still a land. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Flying, hexproof from multicolored

Whenever Niv-Mizzet, Guildpact deals combat damage to a player, it deals X damage to any target, target player draws X cards, and you gain X life, where X is the number of different color pairs among permanents you control that are exactly two colors.

Mill five cards. You may put a permanent card from among the cards milled this way into your hand. (To mill a card, put the top card of your library into your graveyard.)