Whenever an artifact you control enters, draw a card.

When Miles Morales enters, put a +1/+1 counter on each of up to two target creatures.
: Transform Miles Morales. Activate only as a sorcery.

Flying
Whenever a creature you control deals combat damage to a player, create that many Treasure tokens.

Each player shuffles their hand and graveyard into their library, then draws seven cards.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

: Add .
, Sacrifice this land: Destroy target land.

When Urza enters, create a 0/0 colorless Construct artifact creature token with "This token gets +1/+1 for each artifact you control."
Tap an untapped artifact you control: Add .
: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.

Flying, trample
Whenever this creature deals combat damage to a player, untap it. After this phase, there is an additional combat phase.
This creature can't attack a player it has already attacked this turn.

Earthquake deals X damage to each creature without flying and each player.

: Add .
, : Put target artifact card from your graveyard on top of your library.

Colorless Eldrazi spells you cast cost less to cast.
, : Search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.

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

+2: Create a Food token. (It's an artifact with ", , Sacrifice this token: You gain 3 life.")
+1: Target artifact or creature loses all abilities and becomes a green Elk creature with base power and toughness 3/3.
−5: Exchange control of target artifact or creature you control and target creature an opponent controls with power 3 or less.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.
Counter target spell.

Flash
When this creature enters and whenever an opponent draws a card except the first one they draw in each of their draw steps, this creature deals 1 damage to any target. Then amass Orcs 1.

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays , where X is this creature's power.

At the beginning of your upkeep, sacrifice this enchantment unless you pay .
All Mountains are Plains.

At the beginning of each end step, put a slime counter on each creature you don't control.
Creatures you don't control get -1/-1 for each slime counter on them.
Whenever a creature you don't control with a slime counter on it dies, create a 1/1 black Slug creature token.
, Sacrifice a Slug: Draw a card.

, Pay 1 life: Add or .
, : Mount Doom deals 1 damage to each opponent.
, , Sacrifice Mount Doom and a legendary artifact: Choose up to two creatures, then destroy the rest. Activate only as a sorcery.

Equipped creature gets +1/+0.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Enchant creature card in a graveyard
When this Aura enters, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with this Aura." Return enchanted creature card to the battlefield under your control and attach this Aura to it. When this Aura leaves the battlefield, that creature's controller sacrifices it.
Enchanted creature gets -1/-0.