This land enters tapped unless you control a Plains or a Swamp.
: Add or .

Whenever this creature attacks, create two 1/1 white Cat creature tokens with lifelink that are tapped and attacking.

This land enters tapped unless you control a basic land.
: Add .
, : Put a +1/+1 counter on each creature you control.

Each spell you cast that's a Demon, Horror, or Nightmare costs less to cast.
Whenever you cast a spell, if the amount of mana spent to cast it was less than its mana value, target opponent loses life equal to the difference.

All creatures are black.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
: Each unblocked creature has base power and toughness 4/1 until end of turn.

Whenever you cast a historic spell, draw a card. Basim Ibn Ishaq can't be blocked this turn. This ability triggers only once each turn. (Artifacts, legendaries, and Sagas are historic.)
Whenever Basim Ibn Ishaq deals combat damage to a player, put a +1/+1 counter on it.

At the beginning of each end step, each player discards their hand.

: Add .
, : Remove target attacking or blocking creature from combat.

Rivendell enters tapped unless you control a legendary creature.
: Add .
, : Scry 2. Activate only if you control a legendary creature.

Whenever you tap a Forest for mana, add an additional .
+1: Put three +1/+1 counters on up to one target noncreature land you control. Untap it. It becomes a 0/0 Elemental creature with vigilance and haste that's still a land.
−8: You get an emblem with "Lands you control have indestructible." Search your library for any number of Forest cards, put them onto the battlefield tapped, then shuffle.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip

: This creature gets +2/+2 until end of turn. Activate only once each turn.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

At the beginning of your upkeep, you gain 2 life for each Shrine you control.

Flash
Flying
Exploit (When this creature enters, you may sacrifice a creature.)
When this creature exploits a creature, counter target spell, activated ability, or triggered ability.

Destroy all artifacts. They can't be regenerated. The controller of each of those artifacts gains life equal to its mana value.

Permanents don't untap during their controllers' untap steps.
At the beginning of each player's upkeep, that player chooses a permanent for each card in their graveyard, then untaps those permanents.

+2: Exile target permanent you own. Return it to the battlefield under your control at the beginning of the next end step.
−1: Creatures can't be blocked this turn.
−8: You get an emblem with "Whenever you cast a spell, exile target permanent."

When you control no Islands, sacrifice Skeleton Ship.
: Put a -1/-1 counter on target creature.

You may exile two green cards from your hand rather than pay this spell's mana cost.
Allosaurus Rider's power and toughness are each equal to 1 plus the number of lands you control.