When an opponent casts an instant spell, if Hidden Gibbons is an enchantment, Hidden Gibbons becomes a 4/4 Ape creature.

: Choose target artifact a player controls and target artifact card in that player's graveyard. If both targets are still legal as this ability resolves, that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield.

All permanents are colorless.

Grim Monolith doesn't untap during your untap step.
: Add .
: Untap Grim Monolith.

You gain 3 life for each creature attacking you.

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

When a creature is put into an opponent's graveyard from the battlefield, if Lurking Skirge is an enchantment, Lurking Skirge becomes a 3/2 Phyrexian Imp creature with flying.

At the beginning of your upkeep, if there are four or more creatures on the battlefield, sacrifice Planar Collapse and destroy all creatures. They can't be regenerated.

Each spell costs more to cast except during its controller's turn.

: Put a +1/+1 counter on Molten Hydra.
, Remove all +1/+1 counters from Molten Hydra: It deals damage to any target equal to the number of +1/+1 counters removed this way.

At the beginning of your upkeep, if you have 5 or less life, sacrifice Second Chance and take an extra turn after this one.

At the beginning of each opponent's upkeep, Iron Maiden deals X damage to that player, where X is the number of cards in their hand minus 4.

Whenever an artifact or enchantment is put into your graveyard from the battlefield, you gain 1 life.

No more than two creatures can attack you each combat.

At the beginning of each player's upkeep, if that player controls more lands than each other player, Rivalry deals 2 damage to them.

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

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
, : Tap target artifact, creature, or land.

At the beginning of each opponent's upkeep, Wheel of Torture deals X damage to that player, where X is 3 minus the number of cards in their hand.

When you have 10 or less life, if Opal Avenger is an enchantment, Opal Avenger becomes a 3/5 Soldier creature.

, : You may put a creature card from your hand onto the battlefield.

Target creature gets +7/+7 until end of turn.

A player who controls more permanents than each other player can't play lands or cast artifact, creature, or enchantment spells. That player may sacrifice a permanent of their choice for that player to ignore this effect until end of turn.

When Delusions of Mediocrity enters, you gain 10 life.
When Delusions of Mediocrity leaves the battlefield, you lose 10 life.

At the beginning of your upkeep, if you have no cards in hand, sacrifice Brink of Madness and target opponent discards their hand.

Whenever a creature deals damage to you, destroy it.

Anthroplasm enters with two +1/+1 counters on it.
, : Remove all +1/+1 counters from Anthroplasm and put X +1/+1 counters on it.

At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice Defense of the Heart, search your library for up to two creature cards, put those cards onto the battlefield, then shuffle.

, Discard a card at random: Pyromancy deals damage to any target equal to the mana value of the discarded card.

: Draw a card.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
You may choose not to untap Thran Weaponry during your untap step.
, : All creatures get +2/+2 for as long as Thran Weaponry remains tapped.

, Sacrifice Memory Jar: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.

Protection from white
When Eviscerator enters, you lose 5 life.

Destroy all artifacts and enchantments.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Deranged Hermit enters, create four 1/1 green Squirrel creature tokens.
Squirrel creatures get +1/+1.

Trample
When Weatherseed Treefolk dies, return it to its owner's hand.

Flying, vigilance
Radiant, Archangel gets +1/+1 for each other creature on the battlefield with flying.