This land enters tapped.
: Add .

Flash
When this creature enters, target instant or sorcery card in your graveyard gains harmonize until end of turn. Its harmonize cost is equal to its mana cost.

Enchant creature
Whenever enchanted creature attacks, reveal cards from the top of your library until you reveal an Aura card. You may put that card onto the battlefield. If you don't, put it into your hand. Put the rest on the bottom of your library in a random order.

Lifelink
Discard a card: Songbird gains flying until end of turn.

Whenever you cast a spell, populate.

Enchant permanent
Enchanted permanent is a colorless Forest land.

Enchant creature or Vehicle
When this Aura enters, you may mill two cards.
Fathomless descent — Enchanted permanent gets -X/-0, where X is the number of permanent cards in your graveyard.

Creatures that are enchanted can't attack or block.

Seek a Mountain card, a Forest card, and a non-Mountain, non-Forest land card. Put one of them onto the battlefield and put one of them into your graveyard.

Each opponent sacrifices a creature of their choice.
Conjure a card named Cantor of the Refrain into your graveyard.

Choose up to two target permanent cards in your graveyard. Roll a d20 and add the total mana value of those cards.
1-14 | Return those cards to your hand.
15+ | Return those cards to your hand. You gain life equal to their total mana value.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
, Until your next turn, creatures you control gain ": Add one mana of any color."
Put a +1/+1 counter on each creature you control. Those creatures gain vigilance, trample, and indestructible until end of turn.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
Scry 2, then draw two cards.
Create a Treasure token and a 2/2 blue Bird creature token with flying.
Put a flying counter on each creature you control without flying.

You may play an additional land on each of your turns.
Whenever you cast a spell, draw two cards.
At the beginning of your end step, discard your hand.

Mill four cards. Whenever a creature attacks this turn, it gets +1/+0 until end of turn for each creature card put into your graveyard this way.

Sonar Strike deals 4 damage to target attacking, blocking, or tapped creature. You gain 3 life if you control a Bat.

Flying
Whenever this creature deals damage to a player, tap target creature that player controls. That creature doesn't untap during its controller's untap step for as long as this creature remains on the battlefield.

When this creature enters, you may tap target creature.

Mill four cards. You may put a permanent card from among them into your hand. You gain 1 life.

Enchant creature
Enchanted creature gets +2/+6.
We recommend he speaks in the third person.
Whenever he doesn't speak in the third person, he or she sacrifices Some Fat Pants. (If he or she doesn't know what third person is, he or she gets a dictionary.)

, Sacrifice a creature: Distribute the sacrificed creature's keyword abilities among any number of other target creatures until end of turn. If it's December, you gain 1 life for each of those keywords.

Whenever this creature becomes blocked by a creature, this creature deals 1 damage to that creature.

When this creature enters, you may have it fight target creature you don't control.

Reach
Morbid — This creature enters with two +1/+1 counters on it if a creature died this turn.

: Add three mana of any one color. Spend this mana only to cast creature spells.

When this creature enters, create a 2/2 green Wolf creature token, a 3/3 green Beast creature token, and a 4/4 green Beast creature token.
Creature tokens you control have deathtouch.

Whenever a creature you control becomes blocked, it gets +1/+1 until end of turn.
: Target creature you control gains trample until end of turn.

Affinity for artifacts
Flying

Search your library for an instant or sorcery card, reveal it, put it into your hand, then shuffle.