If you would lose unspent mana, that mana becomes colorless instead.

At the beginning of your end step, if you control no untapped lands, draw a card.

{T}, Untap a tapped land an opponent controls: Add one mana of any type that land could produce.

First strike {T}: Destroy target artifact if its mana value is equal to the amount of unspent mana you have.

This creature enters with X +1/+1 counters on it, where X is the number of tapped lands on the battlefield. {2}{R}, Remove a +1/+1 counter from this creature: Target land becomes a 4/4 red Elemental creature until end of turn. It's still a land.

Indestructible As long as your devotion to green and blue is less than seven, Kruphix isn't a creature. You have no maximum hand size. If you would lose unspent mana, that mana becomes colorless instead.

When this creature enters, if you control no tapped lands, draw a card. Suspend 1—{2}{G}{G} (Rather than cast this card from your hand, you may pay {2}{G}{G} and exile it with a time counter 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. It has haste.)

As this creature enters, choose an opponent. Pallimud's power is equal to the number of tapped lands the chosen player controls.

Whenever this creature attacks and isn't blocked, you may have defending player activate a mana ability of each land they control and lose all unspent mana. If you do, this creature assigns no combat damage this turn and at the beginning of your next main phase this turn, you add an amount of {C} equal to the amount of mana that player lost this way.

At the beginning of each player's end step, this enchantment deals X damage to that player, where X is the number of untapped lands they control.

Whenever a player taps a land for mana, this enchantment deals 1 damage to that player.

Tap all lands target player controls and that player loses all unspent mana.

Target player activates a mana ability of each land they control. Then that player loses all unspent mana and you add the mana lost this way.