{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.

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

{T}: Add three mana of any one color.

As Herald's Horn enters the battlefield, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

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

{2}, {T}: Target opponent mills three cards. Put a land card from their graveyard onto the battlefield tapped under your control. It gains "If this land would leave the battlefield, exile it instead of putting it anywhere else." {10}, {T}, Sacrifice Realmbreaker, the Invasion Tree: Search your library for any number of Praetor cards, put them onto the battlefield, then shuffle.

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

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.) Equip {1}

As Urza's Incubator enters the battlefield, choose a creature type. Creature spells of the chosen type cost {2} less to cast.

Flying, trample Whenever a Dragon you control attacks, it gains double strike until end of turn.

{2}, {T}: Create a 0/1 green Egg creature token with defender. Whenever an Egg you control dies, reveal cards from the top of your library until you reveal a creature card. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

Sliver creatures you control have flying and haste.

Dragon spells you cast cost {2} less to cast.

Flying Whenever a Dragon you control attacks, bolster 2. (Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on it.)

When Forerunner of the Empire enters the battlefield, you may search your library for a Dinosaur card, reveal it, then shuffle and put that card on top. Whenever a Dinosaur enters the battlefield under your control, you may have Forerunner of the Empire deal 1 damage to each creature.

Flying Whenever Ganax, Astral Hunter or another Dragon enters the battlefield under your control, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") Choose a Background (You can have a Background as a second commander.)

All Slivers have "{T}: Add one mana of any color."

{T}: Add X mana of any one color, where X is the number of Allies you control.

All Slivers have "When this permanent enters the battlefield, destroy target artifact or enchantment."

Locus of Slaanesh — Demon spells you cast cost {2} less to cast. Other Demons you control have haste.

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

Protection from Werewolves Human creatures you control have "{T}: Add one mana of any of this creature's colors." {4}{G}{W}, {T}: Put a +1/+1 counter on each creature you control.

Dinosaur spells you cast cost {1} less to cast.

First strike (This creature deals combat damage before creatures without first strike.) Other Knight creatures you control get +1/+1 and have indestructible. (Damage and effects that say "destroy" don't destroy them.)

Flying Whenever another nontoken Dragon enters the battlefield under your control, create a 5/5 red Dragon creature token with flying. {1}{R}: Dragons you control get +1/+0 until end of turn.

Other Dwarves you control get +1/+0. Whenever a Dwarf you control becomes tapped, create a Treasure token. Sacrifice five Treasures: Search your library for an artifact or Dragon card, put that card onto the battlefield, then shuffle.

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

Changeling (This card is every creature type.) When Masked Vandal enters the battlefield, you may exile a creature card from your graveyard. If you do, exile target artifact or enchantment an opponent controls.

Changeling (This card is every creature type.) {X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

{T}: Add {G} for each Elf on the battlefield.

Changeling (This card is every creature type.) As Realmwalker enters the battlefield, choose a creature type. You may look at the top card of your library any time. You may cast creature spells of the chosen type from the top of your library.

Other Dinosaurs you control have haste. When Regisaur Alpha enters the battlefield, create a 3/3 green Dinosaur creature token with trample.

Flying, ward {2} Other Dragons you control have ward {2}. At the beginning of your end step, if a creature or planeswalker an opponent controlled was dealt excess damage this turn, create a 4/4 red Dragon creature token with flying.

Flying Whenever Scourge of Valkas or another Dragon enters the battlefield under your control, it deals X damage to any target, where X is the number of Dragons you control. {R}: Scourge of Valkas gets +1/+0 until end of turn.

Flying Other permanents you control have hexproof. You may look at the top card of your library any time. You may cast Angel spells and Human spells from the top of your library.

Partner with Khorvath Brightflame (When this creature enters the battlefield, target player may put Khorvath into their hand from their library, then shuffle.) Double strike Dragons your team controls have double strike.

Changeling (This card is every creature type.) Whenever an opponent casts a spell, you may put a +1/+1 counter on Taurean Mauler.

If a source would deal damage to another Dinosaur you control, prevent all but 1 of that damage.

Vigilance When Topiary Stomper enters the battlefield, search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Topiary Stomper can't attack or block unless you control seven or more lands.

Changeling (This card is every creature type.)

Flying Whenever a Dragon you control attacks, create a 6/6 red Dragon creature token with flying.

Whenever a creature enters the battlefield under your control, put a +1/+1 counter on each creature you control.

Creatures you control get +1/+0 and have haste. At the beginning of your end step, exile any number of nontoken artifacts and/or creatures you control. Return those cards to the battlefield under their owner's control at the beginning of your next upkeep.

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Creatures you control gain flying, vigilance, and double strike until end of turn. • Creatures you control gain lifelink, indestructible, and protection from all colors until end of turn.

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

As an additional cost to cast this spell, sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Exile target creature. Its controller gains life equal to its power.

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

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

({T}: Add {G}.)

({T}: Add {R}, {G}, or {W}.) Jetmir's Garden enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

Jungle Shrine enters the battlefield tapped. {T}: Add {R}, {G}, or {W}.

({T}: Add {R}.)

Path of Ancestry enters the battlefield tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

({T}: Add {W}.)

Look at the top five cards of your library. You may reveal a Dinosaur or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

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.

You may play an additional land this turn. Draw a card.

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.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

As an additional cost to cast this spell, reveal a Dinosaur card from your hand or pay {1}. Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.