First strike Morph {1}{R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.) {R}: This creature gets +1/+0 until end of turn.

Haste Provoke (Whenever this creature attacks, you may have target creature defending player controls untap and block it if able.)

(This land isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")

Changeling (This card is every creature type.) Trample

When this creature enters, untap target Goat and gain control of it until end of turn. It gains haste until end of turn.

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Flying If noncombat damage would be dealt to this creature, prevent that damage. Put a +1/+1 counter on this creature for each 1 damage prevented this way.

When this creature enters, you get {E}{E} (two energy counters). Whenever this creature attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it.

Haste

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

Goad all creatures you don't control. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Destroy all creatures, then create an X/X colorless Phyrexian Horror artifact creature token, where X is the number of creatures destroyed this way.

As this creature enters, choose a creature type. This creature is the chosen type in addition to its other types. Other creatures you control of the chosen type get +1/+1.

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

Flying Attacking creatures you control get +2/+0.

{T}: Draw a card. Activate only if you created a token this turn. {8}, {T}, Sacrifice this artifact: Create a 10/10 colorless Eldrazi creature token.

At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

Creatures you control have menace. (They can't be blocked except by two or more creatures.)

Menace Equipped creature gets +2/+2 and has menace. Whenever this creature or equipped creature deals combat damage to a player, goad each creature that player controls. Reconfigure {4} ({4}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Creatures you control get +1/+1 and have flying and indestructible. At the beginning of your upkeep, sacrifice a creature. If you can't, sacrifice this artifact.

Permanents you control gain hexproof and indestructible until end of turn.

Indestructible As long as your devotion to red and white is less than seven, Iroas isn't a creature. Creatures you control have menace. Prevent all damage that would be dealt to attacking creatures you control.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Flash Tapped creatures you control can block as though they were untapped.

As an additional cost to cast this spell, sacrifice a creature. Return any number of target creatures you control to their owner's hand.

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

Lands you control have "{T}: Add one mana of any color." {T}: Add one mana of any color.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Whenever a creature enters, you may add an amount of {C} equal to the number of creatures you control that share a creature type with it.

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

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

Equipped creature has myriad. (Whenever it 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.) Equip {4}

Whenever another nontoken creature enters, you may pay {1}{G}. If you do, that creature's controller creates a token that's a copy of that creature.

At the beginning of your upkeep, populate. (Create a token that's a copy of a creature token you control.)

Changeling (This card is every creature type.) When this creature enters, create a 2/2 colorless Shapeshifter creature token with changeling.

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield. {3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

This creature enters with X +1/+1 counters on it. {2}: Put a +1/+1 counter on this creature, then you may reselect which player this creature is attacking. Only the player this creature is attacking may activate this ability and only during the declare attackers step. (It can't attack its controller.)

As this creature enters, choose a creature type. This creature is the chosen type in addition to its other types. Each other creature you control of the chosen type enters with an additional +1/+1 counter on it.

{T}: Add {C}. {2}, {T}: Put a +1/+1 counter on target Bird, Cat, Dog, Goat, Ox, or Snake.

This land enters tapped unless you have two or more opponents. {T}: Add {G} or {W}.

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

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

({T}: Add {G}.)

This land enters tapped. {T}: Add {R}, {G}, or {W}.

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.

({T}: Add {R}.)

({T}: Add {W}.)

You have no maximum hand size. {T}: Add {C}.

({T}: Add {R} or {W}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

This land enters tapped unless you have two or more opponents. {T}: Add {R} or {W}.

This land enters tapped unless you have two or more opponents. {T}: Add {R} or {G}.

{T}: Add {C}. {4}, {T}: Create a 0/1 white Goat creature token. {T}, Sacrifice X Goats: Add X mana of any one color. You gain X life.

({T}: Add {R} or {G}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {G} or {W}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

When this creature enters, you may return target card from your graveyard to your hand.

Search your library for up to three creature cards, reveal them, then shuffle and put those cards on top in any order.

Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

{G}, {T}, Discard a creature card: Search your library for a creature card, reveal it, put it into your hand, then shuffle.