Whenever you attack, you may sacrifice another creature or an artifact. If you do, create a 4/1 black Skeleton creature token with menace that's tapped and attacking. (It can't be blocked except by two or more creatures.) Choose a Background (You can have a Background as a second commander.)

{T}: Add one mana of any color in your commander's color identity.

For Mirrodin! (When this Equipment enters, create a 2/2 red Rebel creature token, then attach this to it.) Equipped creature gets +1/-1. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Add one mana of any color. {4}, {T}: Each player who controls a permanent named Bonder's Ornament draws a card.

{1}, {T}: Add {R}{W}.

{1}, {T}, Sacrifice this artifact: Add one mana of any color. When this artifact is put into a graveyard from the battlefield, draw a card.

When this artifact enters or leaves the battlefield, exile the top card of your library. Until end of turn, you may play that card. {2}{R}, Sacrifice this artifact: Create a 2/2 white Samurai creature token with vigilance. Activate only as a sorcery.

{T}: Add one mana of any color that a land an opponent controls could produce.

For Mirrodin! (When this Equipment enters, create a 2/2 red Rebel creature token, then attach this to it.) Equipped creature gets +0/+1. Equip {1}{W} ({1}{W}: Attach to target creature you control. Equip only as a sorcery.)

When this artifact enters or is put into a graveyard from the battlefield, draw a card.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

When this artifact enters or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

When this artifact enters or is put into a graveyard from the battlefield, create a 1/1 colorless Construct artifact creature token.

{T}, Sacrifice this artifact: Target creature can't block this turn. When this artifact is put into a graveyard from the battlefield, you may pay {R}. If you do, draw a card.

When this artifact enters or is put into a graveyard from the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

When this artifact enters or is put into a graveyard from the battlefield, create a 1/1 colorless Servo artifact creature token.

When this creature dies, it deals X damage to target creature, where X is 3 plus the amount of damage dealt to this creature this turn by other sources named Blazing Effigy.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When this creature dies, create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This token can't block."

{1}, Sacrifice a creature: Exile the top card of your library. You may play that card this turn. (You still pay its costs. You can play a land this way only if you have an available land play remaining.)

When this creature dies, create a 3/2 colorless Eldrazi Horror creature token. Delirium — This creature gets +3/+0 as long as there are four or more card types among cards in your graveyard.

Lifelink When this creature enters, return target permanent card with mana value 3 or less from your graveyard to your hand.

When this creature dies, create a 1/1 white Human Soldier creature token.

Sacrifice a Goblin: Regenerate target creature.

When this creature enters, you may search your library for a Goblin card, reveal that card, put it into your hand, then shuffle.

When this creature dies, create a 1/1 white Soldier creature token with lifelink.

When this creature dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Encore {3}{R} ({3}{R}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Flying When this creature enters, you gain 1 life and draw a card.

Kicker {1}{W} (You may pay an additional {1}{W} as you cast this spell.) When this creature enters, if it was kicked, create two 1/1 white Soldier creature tokens. As long as this creature entered this turn, creatures you control have haste.

Echo {1}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters or dies, create a 1/1 red Goblin creature token.

When this creature enters, create a 1/1 colorless Soldier artifact creature token. Unearth {2}{W} ({2}{W}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Sacrifice a Goblin: Add {R}.

When this creature enters, draw a card.

Echo {3}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters, return target creature an opponent controls to its owner's hand.

Whenever another creature you control enters, you may gain 1 life. Whenever a creature an opponent controls enters, you may have that player lose 1 life.

Enchant creature Enchanted creature has menace and "Whenever this creature deals combat damage to a player, create a Treasure token." (It can't be blocked except by two or more creatures. The token is an artifact with "{T}, Sacrifice this token: Add one mana of any color.") When enchanted creature dies, draw a card.

Commander creatures you own have "At the beginning of your upkeep, exile the top card of your library. This creature gets +X/+0 until end of turn, where X is that card's mana value. You may play that card this turn."

Choose one — • Abrade deals 3 damage to target creature. • Destroy target artifact.

({W/P} can be paid with either {W} or 2 life.) Target artifact or creature you control gains protection from artifacts or from the color of your choice until end of turn.

Target permanent gains hexproof and indestructible until end of turn. If it's an artifact creature, it gets +2/+2 until end of turn.

Changeling (This card is every creature type.) Exile target creature. Its controller creates a 1/1 colorless Shapeshifter creature token with changeling.

Galvanic Blast deals 2 damage to any target. Metalcraft — Galvanic Blast deals 4 damage instead if you control three or more artifacts.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

Radiance — Destroy target enchantment and each other enchantment that shares a color with it.

Lightning Bolt deals 3 damage to any target.

Target artifact or creature gains hexproof and indestructible until end of turn. Scry 1.

Counter target spell unless its controller pays {1}.

Prevent all damage that sources of the color of your choice would deal this turn. Flashback—Tap an untapped white creature you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Choose one — • Counter target blue spell. • Destroy target blue permanent.

Populate. Creatures you control gain indestructible until end of turn. (To populate, create a token that's a copy of a creature token you control.)

Target creature you control gains protection from the color of your choice until end of turn. Draw a card.

As an additional cost to cast this spell, discard a card. Draw two cards.

You may sacrifice a Mountain rather than pay this spell's mana cost. Thunderclap deals 3 damage to target creature.

{T}: Add {W}.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

{T}: Add one mana of any color in your commander's color identity.

Indestructible {T}: Add {C}.

{T}: Add {R}.

({T}: Add {W}.)

Flame Slash deals 4 damage to target creature.

As an additional cost to cast this spell, sacrifice a Goblin. Goblin Grenade deals 5 damage to any target.

Gain control of target artifact or creature until end of turn. Untap it. It gains haste until end of turn.

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Return target artifact or creature card with mana value 3 or less from your graveyard to the battlefield. If a creature enters this way, it enters with an additional +1/+1 counter on it.

Choose one or both — • Return target creature card from your graveyard to your hand. • Return target artifact card from your graveyard to your hand.

First strike When this creature enters, you get {E}{E} (two energy counters). Whenever this creature attacks, you may pay {E}{E}. If you do, create a 1/1 colorless Servo artifact creature token.

Enchant creature you control When this Aura enters, create a 1/1 white Warrior creature token with vigilance. Enchanted creature gets +1/+1 and has first strike. (It deals combat damage before creatures without first strike.)

({T}: Add {R}.) This land enters tapped unless you control three or more other Mountains. When this land enters untapped, create a 1/1 red Dwarf creature token.

Create a 1/1 red Dinosaur creature token with haste and a 1/1 white Human Soldier creature token.

Create three 1/1 red Goblin creature tokens.

As an additional cost to cast this spell, sacrifice an artifact. Create three 1/1 red Goblin creature tokens.

Strive — This spell costs {2}{W} more to cast for each target beyond the first. Any number of target creatures each get +1/+1 and gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Target creature you control gains protection from the color of your choice until end of turn. Splice onto Arcane {W} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Target creature you control gains protection from the color of your choice until end of turn. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

When this creature dies, create a 1/1 white Spirit creature token with flying.

Target creature you control gains protection from the color of your choice until end of turn. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

When this artifact enters, draw a card. {2}: Add one mana of any color.

This creature gets +2/+0 and has menace as long as you sacrificed a permanent this turn.

Target creature you control gains protection from the color of your choice until end of turn. (It can't be blocked, targeted, dealt damage, enchanted, or equipped by anything of that color.) Scry 1.

{R}, Sacrifice this artifact: It deals 1 damage to target player or planeswalker. When this artifact is put into a graveyard from the battlefield, draw a card.

When this creature dies, it deals 3 damage to any target.

When this creature dies, return another target artifact card from your graveyard to your hand.

When this creature dies, it deals 2 damage to any target.

Target creature gains protection from the color of your choice until end of turn.

Target creature gets +1/+0 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Put a +1/+1 counter on target creature. It gains lifelink and indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)