{T}: Add {R}. If that mana is spent on a Dragon creature spell, it gains haste until end of turn.

Flash {T}, Sacrifice this artifact: Add one mana of any color. {3}: This artifact becomes a Shapeshifter artifact creature with base power and toughness 5/5 until end of turn.

Whenever equipped creature attacks, put a +1/+1 counter on it and tap up to one target creature defending player controls. Equip {W} ({W}: Attach to target creature you control. Equip only as a sorcery.)

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

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

Flying Whenever this creature deals combat damage to a player, roll a d20. When you do, put any number of target creature cards with total mana value X or less from graveyards onto the battlefield under your control, where X is the result.

Flying Lure the Unwary — At the beginning of combat on your turn, choose an opponent. Creatures attacking the last chosen player get +1/+0.

When this creature enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.) {T}: Add one mana of any color.

When this creature leaves the battlefield, you draw two cards and each opponent draws a card.

{T}: Look at the top X cards of your library, where X is the number of tokens you created this turn. Put one of those cards into your hand and the rest on the bottom of your library in a random order. Choose a Background (You can have a Background as a second commander.)

Whenever another creature you control leaves the battlefield, put a +1/+1 counter on this creature.

Whenever one or more artifacts you control enter, this creature deals that much damage to each opponent.

Vicious Mockery — When this creature enters, target creature an opponent controls can't block this turn. Goad it. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Whenever this creature attacks, each player creates a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Trample When this creature enters, if mana from a Treasure was spent to cast it, create a Treasure token for each mana from a Treasure spent to cast it. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

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

Flying Keen Sight — When this creature enters, if an opponent controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

Haste Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

When this creature enters, you take the initiative. Spiked Retribution — Whenever this creature becomes blocked by a creature, that creature's controller loses 5 life.

At the beginning of your upkeep, put two descent counters on this enchantment. Then each player creates X Treasure tokens and this enchantment deals X damage to each player, where X is the number of descent counters on this enchantment.

Enchant creature Enchanted creature gets +1/+1 and is goaded. (It attacks each combat if able and attacks a player other than you if able.) Whenever enchanted creature attacks, each other creature that's attacking one of your opponents gets +1/+1 until end of turn.

Enchant nonland permanent Enchanted permanent is a Treasure artifact with "{T}, Sacrifice this artifact: Add one mana of any color," and it loses all other abilities. (If it was a creature, it's no longer a creature.)

Until end of turn, target creature gets +1/+0 and gains indestructible. (Damage and effects that say "destroy" don't destroy it.)

Exile target creature, then roll a d20. 1—9 | Its controller creates a 4/4 green Ox creature token. 10—19 | Its controller creates a 2/2 green Boar creature token. 20 | Its controller creates a 0/1 white Goat creature token.

This land enters tapped. As this land enters, choose a color other than red. {T}: Add {R} or one mana of the chosen color.

({T}: Add {R}.)

({T}: Add {W}.)

Creatures target player controls get -2/-2 until end of turn.

Each opponent draws a card, then you draw a card for each opponent who drew a card this way.

Roll a d20. 1—9 | Choose an opponent. That player sacrifices a creature of their choice. 10—19 | Each opponent sacrifices a creature of their choice. 20 | Each opponent sacrifices a creature with the greatest power among creatures that player controls.