This land enters tapped.
When this land enters, sacrifice it unless you pay .
: Add one mana of any color.

: Add .
: Add or . Activate only if this land entered this turn or if you control a basic land.

As this artifact enters, choose a creature type.
Spells you cast of the chosen type cost less to cast.
When this artifact enters and at the beginning of your upkeep, look at the top card of your library. If it's a card of the chosen type, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it into your graveyard.

Red creatures get +1/+1.
Whenever a Mountain is tapped for mana, its controller adds an additional .

As this artifact enters, choose a color.
Creatures of the chosen color get +1/+1.
Whenever a basic land is tapped for mana of the chosen color, its controller adds an additional one mana of that color.

, Sacrifice this artifact: Exchange control of target artifact, creature, or land you control and target permanent an opponent controls that shares one of those types with it. If those permanents are exchanged this way, destroy all Auras attached to them.

At the beginning of combat on your turn, put a charge counter on this Equipment.
Equipped creature gets +1/+1 for each counter on this Equipment.
As long as this Equipment has four or more counters on it, equipped creature has double strike.
Equip — Pay or remove a counter from this Equipment.

All creatures have vigilance.

Whenever chaos ensues, creatures you control gain indestructible until end of turn.

: Add .
, : Put a +1/+1 counter on each creature you control.

This creature gets +2/+0 as long as you control a blue creature.

Names — Geek / Lotus / Warrior
Art — Chocolate cookies / Green balloon dog / Shark beanie
2 — This creature gets +2/+0 until end of turn.
4 — Whenever a creature you control enters, this permanent deals 2 damage to target player.
2 — 4/1
3 — 3/6

: Add .
, : Each player draws a card, then discards a card.

When this creature enters, you may have it deal 4 damage to target creature with flying.

Creature spells you cast cost more to cast.

Large ooze, Challenge 2
Armor class 6, Hit Points 84
Speed 15 ft.
Attacks Pseudopod, Engulf
STR 14 (+2) DEX 3 (-4) CON 20 (+5)
INT 1 (-5) WIS 6 (-2) CHA 1 (-5)

As Gem Bazaar enters, choose a color at random.
: Add one mana of the color last chosen. Then choose a color at random.

, , Sacrifice this artifact: Search your library for an Island card, a Swamp card, and a Mountain card. Reveal those cards, put them into your hand, then shuffle.

Whenever this creature attacks, create a colorless Construct artifact creature token named Twin that's attacking. Its power is equal to this creature's power and its toughness is equal to this creature's toughness. Sacrifice the token at end of combat.

: Put a charge counter on this artifact.
Remove a charge counter from this artifact: Add one mana of any color.

If this card is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand.
: Add . If Gemstone Caverns has a luck counter on it, instead add one mana of any color.

This land enters with three mining counters on it.
, Remove a mining counter from this land: Add one mana of any color. If there are no mining counters on this land, sacrifice it.

Equipped creature has shroud.
Prevent all combat damage that would be dealt to equipped creature.
Equip

: The next time a source of your choice would deal damage to you this turn, that damage is dealt to target creature you control instead.

Whenever a nontoken creature enters, if this artifact is untapped, that creature's controller creates a 1/1 colorless Myr artifact creature token.

Whenever you crank Genetic Recombinator, up to two target creatures each get +2/+2 until end of turn.