As an additional cost to cast this spell, pay X life.
Fire Covenant deals X damage divided as you choose among any number of target creatures.

Rift Bolt deals 3 damage to any target.
Suspend 1— (Rather than cast this card from your hand, you may pay and exile it with a time counter on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

, : Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

If you would draw a card while your library has no cards in it, you win the game instead.

As this creature enters, choose a creature type.
This creature is the chosen type in addition to its other types.
Other creatures you control of the chosen type get +1/+1.

Flying
At the beginning of your upkeep, each opponent draws a card.

Equipped creature gets +3/+0 and has trample and lifelink.
Equip

( can be paid with either or 2 life.)
Target creature gets -5/-5 until end of turn.

When this creature enters, search your library for a Forest card, put that card onto the battlefield, then shuffle.

Search your library for an enchantment card, reveal it, put it into your hand, then shuffle.

When this creature enters, you may return target card from your graveyard to your hand.

Ward—Pay 3 life.
Whenever The Meep attacks, you may sacrifice another creature. If you do, creatures you control have base power and toughness X/X until end of turn, where X is the sacrificed creature's mana value.

When this enchantment enters, each player gains 5 life and draws a card.
At the beginning of your upkeep, if there are five colors among permanents you control, there are six or more card types among permanents you control and/or cards in your graveyard, and your life total is greater than or equal to your starting life total, you win the game.

Sliver creatures you control have "Whenever this creature is dealt damage, it deals that much damage to target player or planeswalker."

Exile target nonland permanent. You lose 3 life.

If you would create one or more Treasure tokens, instead create those tokens plus an additional Treasure token.

Target opponent gains control of target permanent you control.

First strike
Creatures and nonbasic lands your opponents control enter tapped.

Fading 4 (This artifact enters with four fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)
At the beginning of each player's upkeep, that player taps an untapped artifact, creature, or land they control for each fade counter on this artifact.

Lands you control have ": Add one mana of any color."
: Add one mana of any color.

Landfall — Whenever a land you control enters, choose one —
• You may tap or untap target creature.
• Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Changeling (This card is every creature type.)
Whenever an opponent casts a spell, you may put a +1/+1 counter on this creature.

At the beginning of your upkeep, put two descent counters on this enchantment. Then each player creates X Treasure tokens and this enchantment deals X damage to each player, where X is the number of descent counters on this enchantment.

Creatures can't attack you unless their controller pays for each creature they control that's attacking you.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)
Creatures you control get +1/+0 until end of turn.

: Another target Vehicle you control becomes an artifact creature until end of turn.
Crew 4 (Tap any number of creatures you control with total power 4 or more: This Vehicle becomes an artifact creature until end of turn.)

Each opponent chooses fame or fortune. For each player who chose fame, gain control of a creature that player controls until end of turn. Untap those creatures and they gain haste until end of turn. For each player who chose fortune, you draw a card and create a Treasure token.

Flying
When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

, , Put a verse counter on Yisan: Search your library for a creature card with mana value equal to the number of verse counters on Yisan, put it onto the battlefield, then shuffle.

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.

Each opponent exiles cards from the top of their library until that player has exiled cards with total mana value 20 or greater.

Other Goblins get +1/+1 and have mountainwalk.

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

At the beginning of each player's draw step, that player draws an additional card.
Each player may play an additional land on each of their turns.