Commander creatures you own have "Whenever this creature attacks a player, if no opponent has more life than that player, put a +1/+1 counter on this creature. It gains deathtouch and indestructible until end of turn."

Target creature gains deathtouch until end of turn.

Draw a card.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)

If this spell was bargained, target land you control becomes a 3/3 Elemental creature with haste that's still a land.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Charcoal Diamond enters the battlefield tapped.

{T}: Add {B}.

When Contagious Vorrac enters the battlefield, look at the top four cards of your library. You may reveal a land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. If you didn't put a card into your hand this way, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{1}, Sacrifice Dross Skullbomb: Draw a card.

{2}{B}, Sacrifice Dross Skullbomb: Return target creature card from your graveyard to your hand. Draw a card. Activate only as a sorcery.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Whenever you cast a spell that targets Gnarlback Rhino, draw a card.

Equipped creature gets +1/+1.

Whenever equipped creature deals combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Add {B} or {G}.

{B/G}{B/G}{B/G}{B/G}, {T}, Sacrifice Golgari Locket: Draw two cards.

{T}: Add one mana of any color. If you control a creature with power 4 or greater, add two mana of any one color instead.

Enchant creature

Enchanted creature gets +2/+0 and has "When this creature dies, draw a card."

When Inherited Envelope enters the battlefield, the Ring tempts you.

{T}: Add one mana of any color.

Mutate {2}{G} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Whenever this creature mutates, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Moss Diamond enters the battlefield tapped.

{T}: Add {G}.

Target creature gains deathtouch until end of turn.

Draw a card.

When Prophetic Prism enters the battlefield, draw a card.

{1}, {T}: Add one mana of any color.

Choose two --

• Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

• Create a 1/1 white Human creature token.

• Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

When Thieves' Tools enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Equipped creature can't be blocked as long as its power is 3 or less.

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Choose one --

• Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

• Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Enchant land

Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

Target creature gets +2/+2 and gains trample until end of turn.

Draw a card.

This spell can't be countered.

Vigilance, reach, trample

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Choose a Background (You can have a Background as a second commander.)

{T}: Add one mana of any color.

{6}{G}, {T}: Another target creature gets +3/+3 and gains trample until end of turn.