You gain X life and draw X cards.

Flying
When Tiamat enters, if you cast it, search your library for up to five Dragon cards not named Tiamat that each have different names, reveal them, put them into your hand, then shuffle.

You may look at the top card of your library any time.
Would You Like A...? — Once each turn, you may play a historic land or cast a historic spell from the top of your library. When you do, create a Food token. (Artifacts, legendaries, and Sagas are historic.)

Enchant creature
You control enchanted creature.

Each land is a Swamp in addition to its other land types.

When Dong Zhou enters, target creature an opponent controls deals damage equal to its power to that player.

Target spell or permanent becomes blue. (Mana symbols on that permanent remain unchanged.)

, : Target player discards a card. Activate only during your turn.

Take an extra turn after this one.

When this creature enters, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each in the mana costs of permanents you control counts toward your devotion to blue.)

All Swamps are 1/1 black creatures that are still lands.

Flash
: Spectacular Spider-Man gains flying until end of turn.
, Sacrifice Spectacular Spider-Man: Creatures you control gain hexproof and indestructible until end of turn.

Equipped creature gets +2/+2 and has protection from red and from white.
Whenever equipped creature deals combat damage to a player, this Equipment deals damage to that player equal to the number of cards in their hand and you gain 1 life for each card in your hand.
Equip

This creature gets +1/+1 for each other creature on the battlefield named Relentless Rats.
A deck can have any number of cards named Relentless Rats.

At the beginning of each player's draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.

Flying, vigilance, lifelink, ward
Whenever you gain life, create a colorless artifact token named Lotus with ", Sacrifice this token: Add three mana of any one color." This ability triggers only once each turn.

: Add .
, : Target legendary creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice this enchantment, search your library for up to two creature cards, put those cards onto the battlefield, then shuffle.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

More Than Meets the Eye (You may cast this card converted for .)
Sacrifice another artifact: Put a +1/+1 counter on Flamewar and convert it. Activate only as a sorcery.
, Discard your hand: Put all exiled cards you own with intel counters on them into your hand.