When you play another land, sacrifice City of Traitors.
: Add .

You have no maximum hand size.

Whenever another creature enters, you gain 1 life.

Whenever Elvish Berserker becomes blocked, it gets +1/+1 until end of turn for each creature blocking it.

Skyshroud Elite gets +1/+2 as long as an opponent controls a nonbasic land.

As an additional cost to cast this spell, sacrifice a creature.
Add .

Each creature you control can block an additional creature each combat.

When Limited Resources enters, each player chooses five lands they control and sacrifices the rest.
Players can't play lands as long as ten or more lands are on the battlefield.

: Look at the top card of target player's library.

Sacrifice a Forest: Target attacking creature gets -3/-0 until end of turn.

At the beginning of your end step, you may reveal your hand and put all land cards from it onto the battlefield. If you do, discard your hand.

Sacrifice Shield Mate: Target creature gets +0/+4 until end of turn.

: Remove target attacking creature you control from combat and untap it. (If you activate during end of combat, the creature will untap after it deals combat damage.)

For each blocking creature, flip a coin. If you win the flip, prevent all combat damage that would be dealt by that creature this turn.

Whenever you cast a creature spell, tap target creature.

At the beginning of your upkeep, tap Carnophage unless you pay 1 life.

Enchant creature
Enchanted creature gets -1/-1 and has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

Enchant creature
Whenever an opponent casts a creature spell, put a +1/+1 counter on enchanted creature.

Haste (This creature can attack and as soon as it comes under your control.)

Enchant creature
When enchanted creature dies, you draw two cards.

Put target card from your graveyard on top of your library.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature has shroud. (It can't be the target of spells or abilities.)

Buyback—Sacrifice a land. (You may sacrifice a land in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)
You gain 2 life.

As an additional cost to cast this spell, discard X creature cards.
Return X target creatures to their owners' hands.

Creatures you control get +1/+0 until end of turn.

Enchant creature you control
: Enchanted creature deals 1 damage to target creature with flying.

Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.

, : Choose target opponent who has more life than you do as you activate this ability. Keeper of the Flame deals 2 damage to that player.

, : Choose target opponent who has more life than you do as you activate this ability. You gain 3 life.

Creatures that are enchanted can't attack or block.

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Destroy target artifact.

, : Choose target opponent who has at least two fewer creature cards in their graveyard than you do as you activate this ability. Destroy target nonblack creature that player controls.

: Draw a card, then discard a card.

Flying
When Welkin Hawk dies, you may search your library for a card named Welkin Hawk, reveal that card, put it into your hand, then shuffle.

At the beginning of each player's upkeep, that player chooses target player who controls more creatures than they do and is their opponent. The first player may reveal cards from the top of their library until they reveal a creature card. If the first player does, that player puts that card onto the battlefield and all other cards revealed this way into their graveyard.

Shadow (This creature can block or be blocked by only creatures with shadow.)
Dauthi Warlord's power is equal to the number of creatures on the battlefield with shadow.