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.

You may have this creature enter as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it has "When this creature becomes the target of a spell or ability, sacrifice it."

Flash
Whenever an opponent searches their library, you gain 1 life and draw a card.

Landfall — Whenever a land you control enters, put a +1/+1 counter on target creature.
: Double the number of +1/+1 counters on each creature you control.

Lands you control are every basic land type in addition to their other types.

All Slivers have "Pay 2 life: Return this permanent to its owner's hand."

Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.

Choose a card name, then target player mills a card. If a card with the chosen name was milled this way, you draw two cards. Otherwise, you draw a card.

Whenever a commander you control deals combat damage to an opponent, it deals that much damage to each other opponent.
Partner (You can have two commanders if both have partner.)

When you cast this spell, you gain half X life and draw half X cards. Round down each time.
Flying, trample
This creature enters with X +1/+1 counters on it.

, : Add .

: Exile target card from a graveyard. If it was a creature card, put a +1/+1 counter on this creature and you gain 1 life.

Lightning Strike deals 3 damage to any target.

Enchant creature
Enchanted creature is a Treefolk with base power and toughness 0/4 and loses all abilities.

Destroy target artifact. It can't be regenerated. Create X 1/1 green Saproling creature tokens, where X is that artifact's mana value.

Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

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

Counter target instant or sorcery spell.
Transmute (, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

, : Add .

Add .
Threshold — Add instead if there are seven or more cards in your graveyard.

This spell can't be countered. (This includes by the ward ability.)
Destroy target creature or planeswalker with mana value 3 or less.

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

Konda's Banner can be attached only to a legendary creature.
Creatures that share a color with equipped creature get +1/+1.
Creatures that share a creature type with equipped creature get +1/+1.
Equip

Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls.
Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell.

Equipped creature gets +1/+1 for each color among permanents you control.
As long as this Equipment is attached to a creature, your opponents can't cast spells during your turn.
Equip

Spree (Choose one or more additional costs.)
+ — Copy target instant spell, sorcery spell, activated ability, or triggered ability. You may choose new targets for the copy.
+ — Change the target of target spell or ability with a single target.

Choose target spell or permanent that's red or green. Its owner puts it on their choice of the top or bottom of their library.

: Return this card from your graveyard to the battlefield tapped.

Shadow (This creature can block or be blocked by only creatures with shadow.)
If a card would be put into an opponent's graveyard from anywhere, instead exile it with a void counter on it.
, Sacrifice this creature: Choose an exiled card an opponent owns with a void counter on it. You may play it this turn without paying its mana cost.

Grapeshot deals 1 damage to any target.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Sliver creatures you control have flying and haste.

Whenever you cast a spell with a smile in its art, create a tapped Treasure token.
Everypony's Invited — Your party consists of each creature you control, and your party is always full.

: Add .
: Add or . This artifact deals 1 damage to you.

Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.

Sacrifice another creature or artifact: Put a +1/+1 counter on Hammerhead.