Sacrifice another creature or artifact: Put a +1/+1 counter on Bartolomé del Presidio.

Menace, haste

Boast — Sacrifice another creature or artifact: Broadside Bombardiers deals damage equal to 2 plus the sacrificed permanent's mana value to any target. (Activate only if this creature attacked this turn and only once each turn.)

Trample

: Regenerate Carnassid.

Vigilance

, Sacrifice Cliffside Rescuer: Target permanent you control gains protection from each of your opponents until end of turn. (It can't be blocked, targeted, dealt damage, enchanted, or equipped by anything controlled by those players.)

At the beginning of your upkeep, reveal the top card of your library. If it's a land card, put it into your graveyard and repeat this process.

Whenever a land card is put into your graveyard from anywhere, put a +1/+1 counter on Countryside Crusher.

, Sacrifice an artifact or creature: Draw a card.

: Untap target Gate.

When Inside Source enters the battlefield, create a 2/2 white and blue Detective creature token.

, : Target Detective you control gets +2/+0 and gains vigilance until end of turn. Activate only as a sorcery.

As an additional cost to cast this spell, discard X cards.

Search your library for X cards, then shuffle and put those cards on top in any order.

Creature tokens you control have ": Add one mana of any color."

Whenever one or more creature cards leave your graveyard, create a 0/1 green Plant creature token, then put a +1/+1 counter on each Plant you control.

Flying

Once during each of your turns, you may cast an instant or sorcery spell from your graveyard. If a spell cast this way would be put into your graveyard, exile it instead.

Whenever you roll a 4 or higher, create a 3/3 colorless Robot artifact creature token. If you rolled 6 or higher, instead create that token and a Treasure token.

, : Roll a six-sided die plus an additional six-sided die for each mana from Treasures spent to activate this ability.

Equipped creature gets +2/+1 and has haste.

Whenever a Warrior creature enters the battlefield, you may attach Obsidian Battle-Axe to it.

Equip

: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after Obsidian Fireheart has left the battlefield.)

Obsidian Obelisk enters the battlefield tapped.

: Add .

: Add one mana of any color. Spend this mana only to cast a multicolored spell.

At the beginning of your upkeep, you lose 2 life and exile the top card of your library. You may play that card for as long as it remains exiled.

Each noncreature spell you cast from exile has conspire. (As you cast that spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose new targets for the copy.)

Seaside Citadel enters the battlefield tapped.

: Add , , or .

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

Whenever Sidar Jabari attacks, tap target creature defending player controls.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

Creatures your opponents control without flying or reach can't block creatures with power 2 or less.

Partner (You can have two commanders if both have partner.)

You and target opponent arm-wrestle. If you win, create a 3/3 green Ape creature token.

As long as you control a Desert or there is a Desert card in your graveyard, Sidewinder Naga gets +1/+0 and has trample.

Whenever Sidisi, Brood Tyrant enters the battlefield or attacks, mill three cards.

Whenever one or more creature cards are put into your graveyard from your library, create a 2/2 black Zombie creature token.

Exploit (When this creature enters the battlefield, you may sacrifice a creature.)

When Sidisi's Faithful exploits a creature, return target creature to its owner's hand.

Choose target creature. Roll a six-sided die.

1 — It has base toughness 1 until end of turn.

2 — Put two -1/-1 counters on it.

3 — Six-Sided Die deals 3 damage to it and you gain 3 life.

4 — It gets -4/-4 until end of turn.

5 — Destroy it.

6 — Exile it.

Skip your draw step.

At the beginning of your upkeep, look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

, , Exile X cards from your graveyard: Target creature gets -X/-X until end of turn.

Counter target spell that targets a permanent you control.

Equipped creature gets +1/+1.

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