Whenever you attack, if it's the first combat phase of the turn, untap all attacking creatures. They gain first strike until end of turn. After this phase, there is an additional combat phase. Choose a Background (You can have a Background as a second commander.)

Whenever a creature you control deals combat damage to an opponent, you may draw a card.

Enchant creature Whenever enchanted creature deals damage to an opponent, you may draw a card.

Whenever Etali attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

Draw two cards, then discard two cards. Untap up to three lands.

Whenever a creature you control becomes blocked, you may return it to its owner's hand. Whenever one or more creatures you control deal combat damage to a player, draw a card.

Haste Whenever Laelia attacks, exile the top card of your library. You may play that card this turn. Whenever one or more cards are put into exile from your library and/or your graveyard, put a +1/+1 counter on Laelia.

Flying Lieutenant — At the beginning of combat on your turn, if you control your commander, draw a card.

Trample Whenever Neheb deals combat damage to a player or planeswalker, you may discard any number of cards. If you do, draw that many cards and add that much {R}. Until end of turn, you don't lose this mana as steps and phases end.

This creature can't be blocked. Whenever this creature deals combat damage to a player, choose one that hasn't been chosen — • Put two +1/+1 counters on this creature. • Draw a card. • This creature becomes a copy of another target creature you control.

Whenever equipped creature deals combat damage to a player, look at that many cards from the top of your library. You may exile a nonland card from among them. Put the rest on the bottom of your library in a random order. You may cast the exiled card without paying its mana cost. Equip {2}{U}

This spell costs {3} less to cast if you control a creature with power 4 or greater. Change the target of target spell or ability with a single target.

Prevent all combat damage that would be dealt to attacking creatures you control.

Flash (You may cast this spell any time you could cast an instant.) Enchant creature Enchanted creature gets +1/+1. Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Flash Indestructible When Mithril Coat enters, attach it to target legendary creature you control. Equipped creature has indestructible. Equip {3}

Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it. (It can't be the target of spells or abilities your opponents control.)

At the beginning of your upkeep, if you control six or more lands, create a 5/5 red Dragon creature token with flying.

{R}: Creatures you control gain haste until end of turn. {3}{R}{R}: Create a 5/5 red Dragon Spirit creature token with flying. Activate only if you control an attacking modified creature. (Equipment, Auras you control, and counters are modifications.)

Whenever Krenko attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko's power.

Haste Lieutenant — At the beginning of combat on your turn, if you control your commander, create a 1/1 colorless Thopter artifact creature token with flying. That token gains haste until end of turn.

Haste As long as this card is in your graveyard and you control a Mountain, creatures you control have haste.

Whenever another creature you control enters, it gets +2/+0 and gains haste until end of turn. When Enduring Courage dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

Creatures you control have trample. Creatures your opponents control lose trample and can't have or gain trample.

Haste This creature can't be blocked.

Equipped creature gets +1/+1 for each land you control. Equip legendary creature {3} Equip {7}

Flying Commander creatures you control get +2/+2 and have haste.

Equipped creature has double strike. (It deals both first-strike and regular combat damage.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Double strike Equipped creature has double strike. Reconfigure {2} ({2}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Haste Equipped creature gets +1/+1 and has haste. Reconfigure {R} ({R}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Spree (Choose one or more additional costs.) + {2}{R} — Untap all creatures you control. If it's your combat phase, there is an additional combat phase after this phase. + {2} — Creatures you control get +1/+0 and gain first strike until end of turn. + {R} — Choose target opponent. Whenever a creature you control deals combat damage to that player this turn, create a tapped Treasure token.

Freerunning {2}{R} (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.) Untap all creatures you control that attacked this turn. If it's your main phase, there is an additional combat phase after this phase, followed by an additional main phase.

Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.

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

Enchant player Whenever enchanted player is attacked, create a Gold token. Each opponent attacking that player does the same. (A Gold token is an artifact with "Sacrifice this token: Add one mana of any color.")

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

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.) At the beginning of each of your postcombat main phases, add {R} for each 1 life your opponents have lost this turn.

Menace Whenever one or more creatures you control deal combat damage to a player, create a Treasure token. Sacrifice a Treasure: Exile the top card of your library. You may play that card this turn.

{T}: Add {C}{C}.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) If a source you control would deal damage to a permanent or player, it deals triple that damage instead.

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

Equipped creature has deathtouch and lifelink. (Any amount of damage it deals to a creature is enough to destroy it. Damage dealt by this creature also causes you to gain that much life.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Counter target spell.

Counter target noncreature spell.

Obliterating Bolt deals 4 damage to target creature or planeswalker. If that creature or planeswalker would die this turn, exile it instead.

Counter target spell. Draw a card, then discard a card.

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

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

({T}: Add {U}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{R}.

This land enters tapped. {T}: Add {U} or {R}.

({T}: Add {R}.)

{T}: Add {R}. {T}: Add {U}. Activate only if you control an Island or a Mountain.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

This land enters tapped. Indestructible {T}: Add {U} or {R}.

This land enters tapped unless you control an Island or a Mountain. {T}: Add {U} or {R}.

Players can't untap more than one creature during their untap steps.

Your opponents can't search libraries. If an opponent would begin an extra turn, that player skips that turn instead.