Menace, haste
Whenever this creature attacks, it deals 1 damage to each of up to one target creature, up to one target player, and/or up to one target planeswalker.
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Flying, deathtouch
When this creature enters, draw a card.

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.

Those Who Came Before — This spell costs less to cast for each historic card in your graveyard. (Artifacts, legendaries, and Sagas are historic.)
Exile any number of historic cards from your graveyard with total mana value 30 or greater: You get an emblem with "Creatures you control have base power and toughness 9/9."

Suspend 3—
Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Imprint — When this artifact enters, you may exile a creature card from your hand.
, : Create a token that's a copy of the exiled card. X is the mana value of that card.

At the beginning of combat on your turn, up to one target creature gets +2/+0 and gains firebending 2 until end of turn.
: Put a charge counter on this artifact.
Remove fifty charge counters from this artifact: It deals 50 damage to any target.

(: Add .)

Equipped creature gets +1/-1.
Whenever equipped creature dies, draw two cards.
Equip

: Add one mana of any type that a land you control could produce. If this creature has a +1/+1 counter on it, add three mana of that type instead.
: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)

Whenever you cast an instant or sorcery spell, choose one —
• That spell gains deathtouch and lifelink.
• Create a 2/2 red Imp creature token with "When this token dies, it deals 2 damage to each opponent."

Choose a creature type. Draw a card for each permanent you control of that type.

When Minsc & Boo enters and at the beginning of your upkeep, you may create Boo, a legendary 1/1 red Hamster creature token with trample and haste.
+1: Put three +1/+1 counters on up to one target creature with trample or haste.
−2: Sacrifice a creature. When you do, Minsc & Boo deals X damage to any target, where X is that creature's power. If the sacrificed creature was a Hamster, draw X cards.
Minsc & Boo, Timeless Heroes can be your commander.

Ward
Devour land 3 (As this creature enters, you may sacrifice any number of lands. It enters with three times that many +1/+1 counters on it.)
When this creature enters, look at the top X cards of your library, where X is this creature's power. Put any number of land cards from among them onto the battlefield tapped, then shuffle.

Destroy all lands.

Counter target creature spell. Draw cards equal to that spell's mana value.

Other Goblins you control get +1/+1.
, : This creature deals damage equal to the number of Goblins that entered the battlefield under your control this turn to any target.

: Add .
: Add . Spend this mana only to cast colorless Eldrazi spells or activate abilities of colorless Eldrazi.

At the beginning of your upkeep, if this card is in your graveyard, you may pay . If you do, return it to your hand.
, Sacrifice this creature: It deals 2 damage to any target.