Enchant creature
At the beginning of the upkeep of enchanted creature's controller, that player may pay . If he or she doesn't, that player gets a poison counter.

When this creature enters, look at the top four cards of your library. You may reveal a permanent card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Landfall — Whenever a land you control enters, this creature gets +2/+2 until end of turn.

Boulder Dash deals 2 damage to any target and 1 damage to any other target.

(D is a land drop. You may give up one potential land drop this turn to pay for D.)
Whenever Boulder Jockey attacks, you may pay D. If you do, create a 3/3 colorless Construct artifact creature token named Boulder that's tapped and attacking. Sacrifice that token at the beginning of the next end step.

Target creature gets +2/+0 until end of turn. (Then exile this card. You may cast the creature later from exile.)

Surge
Boulder Salvo deals 4 damage to target creature.

Flying, vigilance
Whenever this creature attacks, surveil 1.

Prototype — 3/3
When this creature enters, you gain life equal to its power.

Boulderfall deals 5 damage divided as you choose among any number of targets.

: Add .

Visit — Return a creature you don't control with the lowest toughness among creatures you don't control to its owner's hand. (If multiple creatures are tied, choose any one of them.)

Return target creature or Vehicle to its owner's hand.

This spell costs less to cast if it targets a black permanent.
Bouncer's Beatdown deals X damage to target creature or planeswalker, where X is the greatest power among creatures you control. If that creature or planeswalker would die this turn, exile it instead.

This creature can't be blocked as long as defending player controls an artifact.

Enchant creature
Enchanted creature can't attack, block, or transform.
Sacrifice another permanent: Attach this Aura to target creature. Activate only as a sorcery and only once each turn.

Sacrifice a creature. Return up to X cards from your graveyard to your hand, where X is the number of colors that creature was. Exile this card.

Other spells you control can't be countered this turn.
Draw a card.

Enchant permanent
Enchanted permanent can't attack, block, or crew Vehicles, and its activated abilities can't be activated unless they're mana abilities.

Enchant creature
Enchanted creature can't attack or block.

At the beginning of combat on your turn, if you control a creature with power 4 or greater, you may discard a card. If you do, draw a card.

Whenever this creature attacks while saddled, put a +1/+1 counter on each other creature you control. You gain 1 life for each of those creatures.
Saddle 2

Flash
When this creature enters, you may tap or untap target creature.

Flash
Reach

Search your library for up to X basic land cards, where X is the number of lands you control, put them onto the battlefield tapped, then shuffle.

Flying
Whenever you cast a Spirit or Arcane spell, you may gain life equal to that spell's mana value.

You gain 1 life for each land you control.

: Add .
, Sacrifice this land: Search your library for a basic Forest, Island, or Mountain card, put it onto the battlefield tapped, then shuffle.
Cycling

This land enters tapped unless you have two or more opponents.
: Add or .

Vigilance
, Sacrifice this creature: Destroy target legendary permanent that's an artifact, creature, or enchantment.