Creature and enchantment spells you control can't be countered.

: Target land you control becomes an X/X Elemental creature with trample and haste until end of turn, where X is the number of enchantments you control. It's still a land.

Destroy target land. Its controller reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

At the beginning of each player's upkeep, that player sacrifices a nonbasic land of their choice.

Destroy target artifact or enchantment. Destructive Revelry deals 2 damage to that permanent's controller.

Enchant creature

Whenever enchanted creature deals combat damage to a player, that player sacrifices a land of their choice.

Return each nonland permanent that's not historic to its owner's hand. (Artifacts, legendaries, and Sagas are historic.)

Enchant creature

Enchanted creature can't attack or block.

: Add .

, : Until end of turn, your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.

Bestow—, Collect evidence 6. (To pay this bestow cost, pay and exile cards with total mana value 6 or greater from your graveyard.)

Flying, haste

Enchanted creature gets +2/+2 and has flying and haste.

You may cast Detective's Phoenix from your graveyard using its bestow ability.

When Detention Sphere enters, you may exile target nonland permanent not named Detention Sphere and all other permanents with the same name as that permanent.

When Detention Sphere leaves the battlefield, return the exiled cards to the battlefield under their owner's control.

Other spells you control can't be countered this turn.

Draw a card.

Destroy target artifact with mana value X. It can't be regenerated. Detonate deals X damage to that artifact's controller.

Trample

Whenever Deus of Calamity deals 6 or more damage to an opponent, destroy target land that player controls.

As an additional cost to cast this spell, discard X cards at random.

Each player sacrifices X lands of their choice. Devastating Dreams deals X damage to each creature.

As an additional cost to cast this spell, sacrifice X lands.

Create two X/X red Elemental creature tokens.

Return all nonland permanents to their owners' hands.

Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Enchant creature

Enchanted creature gets +2/+1 and has ": This creature gains trample until end of turn."

Devil's Play deals X damage to any target.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

: Devkarin Dissident gets +2/+2 until end of turn.

You may exert Devoted Crop-Mate as it attacks. When you do, return target creature card with mana value 2 or less from your graveyard to the battlefield. (An exerted creature won't untap during your next untap step.)

When Devoted Grafkeeper enters, mill two cards.

Whenever you cast a spell from your graveyard, tap target creature you don't control.

Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Beacon of Hope — When Devoted Paladin enters, creatures you control get +1/+1 and gain vigilance until end of turn.

: Target creature gets +2/+2 until end of turn.

As an additional cost to cast this spell, return a land you control to its owner's hand.

Devour in Flames deals 5 damage to target creature or planeswalker.

Target opponent discards a card. If mana from a Treasure was spent to cast this spell, instead that player reveals their hand, you choose a nonland card from it, then that player discards that card.

Whenever one or more cards are put into your graveyard from your library, Devourer of Memory gets +1/+1 until end of turn and can't be blocked this turn.

: Mill a card.

As an additional cost to cast this spell, you may sacrifice any number of Spirits.

Target player loses 2 life plus 2 life for each Spirit sacrificed this way. You gain that much life.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Exile target attacking or blocking creature.

Flying, trample

At the beginning of your upkeep, sacrifice a creature.

Sacrifice a creature: Regenerate Devouring Strossus.

Flying

Sacrifice a creature: Devouring Swarm gets +1/+1 until end of turn.

, Tap two untapped Humans you control: Exile target artifact or enchantment.

: Destroy target Aura attached to a creature.

Protection from black

When Devout Lightcaster enters, exile target black permanent.

, , Discard a card: Destroy target artifact or enchantment.

Flash

Flying

When Dewdrop Spy enters, look at the top card of target player's library.

Target player sacrifices a creature of their choice.

: Regenerate Diabolic Machine.

When Diabolic Servitude enters, return target creature card from your graveyard to the battlefield.

When the creature put onto the battlefield with Diabolic Servitude dies, exile it and return Diabolic Servitude to its owner's hand.

When Diabolic Servitude leaves the battlefield, exile the creature put onto the battlefield with Diabolic Servitude.

, : Create a 0/1 colorless Prism artifact creature token.

Sacrifice a Prism token: Add one mana of any color.

Indestructible (Effects that say "destroy" don't destroy this artifact.)

Equipped creature gets +1/+1 and has "Whenever this creature attacks, create a Treasure token." (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Equip

: Destroy target creature of your choice, then destroy target creature of an opponent's choice. Activate only during your turn, before attackers are declared.

Flash

Creatures you control get +2/+2.

Flash (You may cast this spell any time you could cast an instant.)

At the beginning of each player's draw step, that player draws an additional card.

When Didact Echo enters, draw a card.

Descend 4 — Didact Echo has flying as long as there are four or more permanent cards in your graveyard.

Counter target spell. Its controller mills three cards.

Whenever a Sliver creature you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays .

Delve (Each card you exile from your graveyard while casting this spell pays for .)

Look at the top seven cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.

Sacrifice Digsite Conservator: Exile up to four target cards from a single graveyard. Activate only as a sorcery.

When Digsite Conservator dies, you may pay . If you do, discover 4. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

+2: Up to one target legendary creature gains vigilance, lifelink, and indestructible until your next turn.

−3: Reveal the top four cards of your library. Put any number of legendary cards from among them into your hand and the rest into your graveyard. Create a Treasure token for each card put into your graveyard this way.

−11: Gain control of all nonland permanents until end of turn. Untap them. They gain haste until end of turn.

Dihada, Binder of Wills can be your commander.