Flying
When this creature enters, you may search your library for exactly two cards not named Burning-Rune Demon that have different names. If you do, reveal those cards. An opponent chooses one of them. Put the chosen card into your hand and the other into your graveyard, then shuffle.

First strike (This creature deals combat damage before creatures without first strike.)
: This creature gets +1/+0 until end of turn.

+1: Reveal the top five cards of your library. Put all creature cards revealed this way into your hand and the rest on the bottom of your library in any order.
−3: You may put a green creature card from your hand onto the battlefield.
−7: You get an emblem with "Whenever you cast a creature spell, you may search your library for a creature card, put it onto the battlefield, then shuffle."

When Titania enters, return target land card from your graveyard to the battlefield.
Whenever a land you control is put into a graveyard from the battlefield, create a 5/3 green Elemental creature token.

+2: Search your library for a basic Mountain card, reveal it, put it into your hand, then shuffle.
−3: Koth deals damage to target creature equal to the number of Mountains you control.
−7: You get an emblem with "Whenever a Mountain you control enters, this emblem deals 4 damage to any target."

Whenever you cast a spell during your turn other than your first spell that turn, create a 2/2 blue and black Zombie Rogue creature token.
Whenever a Zombie you control enters, put a +1/+1 counter on it for each other Zombie that entered the battlefield under your control this turn.

Sacrifice a creature: This enchantment deals 1 damage to any target.

Exile target creature. Its controller gains life equal to its power.

Indestructible
Whenever this creature is dealt damage, it deals that much damage to target opponent.
, : This creature fights another target creature.

This land enters tapped unless you control two or more other lands.
: Add or .

You may play lands from your graveyard.
: Choose target nonland permanent card in your graveyard. If you haven't cast a spell this turn, you may cast that card. If you do, you can't cast additional spells this turn. Activate only as a sorcery.

Offspring (You may pay an additional as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)
Whenever you attack, choose one —
• Create a 1/1 white Rabbit creature token that's tapped and attacking.
• Attacking creatures you control get +1/+1 until end of turn.

Flash
If an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

As this enchantment enters, choose a color.
: The next time a source of your choice of the chosen color would deal damage to you this turn, prevent that damage.

When Jill enters, return up to one other target nonland permanent to its owner's hand.
, : Exile Jill, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery.

: Add .
: Add or . Activate only if this land entered this turn or if you control a basic land.

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

, , Discard a creature card: Search your library for a creature card, reveal it, put it into your hand, then shuffle.

Counter target spell, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)