Nonbasic lands are Mountains.

Whenever a creature dies, that creature's controller sacrifices a land of their choice.

Your opponents can't search libraries. If an opponent would begin an extra turn, that player skips that turn instead.

Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, this creature deals 2 damage to that player.

{T}: Heartless Hidetsugu deals damage to each player equal to half that player's life total, rounded down.

Target player sacrifices a land of their choice. Threshold — Each player sacrifices all lands they control instead if seven or more cards are in your graveyard.

At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice this enchantment and destroy all lands.

When this creature enters, each player sacrifices all lands they control except for three.

{1}{R}, {T}: Put a mine counter on target land. Whenever a land with a mine counter on it becomes tapped, destroy it. When this creature leaves the battlefield, remove all mine counters from all lands.

Each player sacrifices X lands of their choice.

Each player sacrifices a land of their choice.

Untap all creatures and gain control of them until end of turn. They gain haste until end of turn.

{T}: Add three mana of any one color.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Each player discards their hand, then draws seven cards. Miracle {1}{R} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Flying, trample Whenever Hellkite Tyrant deals combat damage to a player, gain control of all artifacts that player controls. At the beginning of your upkeep, if you control twenty or more artifacts, you win the game.

This spell can't be countered. Destroy all artifacts, creatures, and lands. They can't be regenerated.

Destroy all nonbasic lands.

Destroy target artifact you don't control. Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")