, Pay 1 life: Add or .
, : Mount Doom deals 1 damage to each opponent.
, , Sacrifice Mount Doom and a legendary artifact: Choose up to two creatures, then destroy the rest. Activate only as a sorcery.

You get X (energy counters), then you may pay any amount of . Destroy each artifact, creature, and enchantment with mana value less than or equal to the amount of paid this way.

: Regenerate another target Elf.
: Elf creatures you control get +3/+3 and gain trample until end of turn.

This land enters tapped.
: Add .
, : Put an eon counter on this land. Skip your next turn.
, Remove an eon counter from this land and return it to its owner's hand: Take an extra turn after this one.

: Add .
, , Pay 1 life: Create a 1/1 white and black Human Cleric creature token.
, , Sacrifice five creatures: Transform this land, then untap it.

Avoidance — Whenever you cast a noncreature spell, exile up to one target nonland permanent you control, then return that card to the battlefield under its owner's control.

+1: Look at the top card of your library. If it's a noncreature, nonland card, you may reveal it and put it into your hand.
−2: When you next cast an instant or sorcery spell from your hand this turn, it gains rebound. (Exile the spell as it resolves. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.)
−9: You get an emblem with "Your opponents can't cast noncreature spells."

Vigilance
: Add one mana of any color.
Other legendary creatures you control have vigilance and ": Add one mana of any color."

+2: Look at the top card of target player's library. You may put that card on the bottom of that player's library.
0: Draw three cards, then put two cards from your hand on top of your library in any order.
−1: Return target creature to its owner's hand.
−12: Exile all cards from target player's library, then that player shuffles their hand into their library.

Move all counters from target creature onto another target creature.

Destroy all nonland permanents your opponents control.

Whenever a creature attacks, this artifact deals 1 damage to it.

Double strike
When this creature enters, it deals 4 damage divided as you choose among any number of target creatures and/or planeswalkers.
Evoke—Exile a red card from your hand.

Draw three cards, then put two cards from your hand on top of your library in any order.

This spell can't be countered.
Sliver spells can't be countered.

Flying (This creature can't be blocked except by creatures with flying or reach.)
: Return this creature to its owner's hand.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)
Whenever equipped creature attacks, put a +1/+1 counter on each creature you control. If you have the city's blessing, put two +1/+1 counters on each creature you control instead.
Equip

Flying
: Add one mana of any color.

Cast this spell only before attackers are declared.
You choose which creatures attack this turn.
You choose which creatures block this turn and how those creatures block.

Whenever a player casts an instant or sorcery spell, if that spell targets only this creature, copy the spell for each other creature that spell could target. Each copy targets a different one of those creatures.