Double strike
Whenever this creature deals damage to an opponent, you may put a Goblin creature card from your hand onto the battlefield.

All Slivers have ", Sacrifice this permanent: Each player discards a card."

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

Creatures your opponents control enter tapped.
Whenever a creature an opponent controls enters, you gain 1 life.

At the beginning of combat on your turn, choose a kind of counter at random that this creature doesn't have on it from among flying, first strike, deathtouch, hexproof, lifelink, menace, reach, trample, vigilance, and +1/+1. Put a counter of that kind on this creature.

Red spells you cast cost less to cast.

At the beginning of each combat, double the power and toughness of each creature you control until end of turn.

Goblin War Strike deals damage to target player or planeswalker equal to the number of Goblins you control.

Search target opponent's library for a card and exile it face down. Then that player shuffles. You may play that card for as long as it remains exiled.

Whenever a creature dies, put a charge counter on this enchantment.
At the beginning of your first main phase, add for each charge counter on this enchantment.

If you would guess a card, instead just choose the outcome you want.
At the beginning of each opponent's upkeep, look at the top card of their library. Tell them the name of that card. They tell you its mana cost, type line, power, and toughness. Then reveal that card. If they got anything wrong, draw a card.

Flash
Flying, lifelink
Power-up — : Put a +1/+1 counter and an indestructible counter on Captain Marvel. (Activate each power-up ability only once. Reduce the cost by her mana cost if she entered this turn.)

: This artifact becomes a 3/6 Golem artifact creature until end of combat. Activate only during combat.

Flying
Whenever you discard a nonland card, put a +1/+1 counter on target Goblin you control.
Whenever you discard a land card, create a tapped Treasure token.

Instant and sorcery spells you cast cost less to cast.
Whenever you cast an instant or sorcery spell, put a charge counter on this artifact. Then if there are four or more charge counters on it, you may remove those counters and transform it.

Reach
Whenever Six attacks, mill three cards. You may put a land card from among them into your hand.
During your turn, nonland permanent cards in your graveyard have retrace. (You may cast permanent cards from your graveyard by discarding a land card in addition to paying their other costs.)

: Exile target land card from a graveyard. Add one mana of any color. (Activate only as an instant.)
, : Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life.
, : Exile target creature card from a graveyard. You gain 2 life.

Commander ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand or the command zone tapped and attacking.)
Whenever a Ninja you control deals combat damage to a player, reveal the top card of your library and put that card into your hand. Each opponent loses life equal to that card's mana value.

Sekki enters with eight +1/+1 counters on it.
If damage would be dealt to Sekki, prevent that damage, remove that many +1/+1 counters from Sekki, and create that many 1/1 colorless Spirit creature tokens.
Sacrifice eight Spirits: Return this card from your graveyard to the battlefield.

Lifelink
Adelbert Steiner gets +1/+1 for each Equipment you control.