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

: Target creature gains forestwalk until end of turn. (It can't be blocked as long as defending player controls a Forest.)

Whenever this creature attacks, you may sacrifice another creature. If you do, put a number of +1/+1 counters on this creature equal to the sacrificed creature's power.
When this creature dies, amass Goblins X, where X is this creature's power. (Put X +1/+1 counters on an Army you control. It's also a Goblin. If you don't control an Army, create a 0/0 black Goblin Army creature token first.)

Choose one or more —
• Destroy all creatures.
• Destroy all planeswalkers.
• Destroy all battles.
• Exile all graveyards.
• Each opponent loses all counters.

Reach
As long as you control ten or more lands, creatures you control get +2/+2.
Whenever this creature or another creature you control with toughness greater than its power enters, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. Otherwise, put it into your hand.

Whenever another creature or artifact you control enters, this creature deals 1 damage to each opponent.
Warp (You may cast this card from your hand for its warp cost. Exile this creature at the beginning of the next end step, then you may cast it from exile on a later turn.)

Destroy all creatures. For each nontoken creature destroyed this way, you create a tapped Treasure token.

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.

You may choose not to untap this artifact during your untap step.
, : Target creature you control gets +2/-2 for as long as this artifact remains tapped.

Each land and Ally you control has ": Add one mana of any color."

You gain X life. Create X 1/1 colorless Phyrexian Mite artifact creature tokens with toxic 1 and "This token can't block." If X is 5 or more, destroy all other creatures. (Players dealt combat damage by a creature with toxic 1 also get a poison counter.)

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.
, : Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

Whenever an opponent casts a spell, that player draws seven cards.

Whenever a Forest an opponent controls becomes tapped, you gain 1 life.

: Target land becomes an artifact in addition to its other types until end of turn.

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

First strike
Whenever you cast an Equipment spell or a spell that targets a creature you control, draw a card. This ability triggers only once each turn.

This land enters tapped unless you control two or more other lands.
: Add or .

This creature has flying as long as it's enchanted.

This creature enters with two +1/+1 counters on it.
, : Remove all +1/+1 counters from this creature and put X +1/+1 counters on it.