This spell can't be countered.
Destroy all artifacts, creatures, and lands. They can't be regenerated.

Enchant creature
Enchanted creature gets +10/+10 and has trample and annihilator 2. (Whenever it attacks, defending player sacrifices two permanents of their choice.)

Explosive Welcome deals 5 damage to any target and 3 damage to any other target. Add .

Flying, trample, haste
: This creature gets +1/+0 until end of turn.
: Regenerate this creature.

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.)
This creature attacks each combat if able.

Count the number of cards in your library. Your life total becomes that number.

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

Flying, vigilance, trample
When this creature dies, create a 3/3 colorless Golem artifact creature token with flying, a 3/3 colorless Golem artifact creature token with vigilance, and a 3/3 colorless Golem artifact creature token with trample.

When this creature dies, create three 3/3 colorless Phyrexian Golem artifact creature tokens.
Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

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

Council's dilemma — Starting with you, each player votes for time or money. For each time vote, take an extra turn after this one. For each money vote, choose a permanent owned by the voter and gain control of it. Exile Expropriate.

Flying
At the beginning of your upkeep, you may return target creature card from your graveyard to the battlefield.

You may pay rather than pay this spell's mana cost.
Trample
At the beginning of your upkeep, you may pay 2 life. If you do, search your library for a card, then shuffle and put that card on top.

Two target players exchange life totals. You create an X/X colorless Horror artifact creature token, where X is the difference between those players' life totals.

Reach, vigilance, trample
When Zacama enters, if you cast it, untap all lands you control.
: Zacama deals 3 damage to target creature.
: Destroy target artifact or enchantment.
: You gain 3 life.

Search target player's library for up to seven cards and exile them. Then that player shuffles.

Prototype — 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)
You may have this creature enter as a copy of an artifact or creature you control, except it's an artifact creature in addition to its other types, and its power and toughness are equal to this creature's power and toughness.

The Tarrasque has haste and ward as long as it was cast.
Whenever The Tarrasque attacks, it fights target creature defending player controls.

Trample
Cycling (, Discard this card: Draw a card.)
When you cycle this card, put a trample counter on target creature you control.

Myojin of Life's Web enters with a divinity counter on it if you cast it from your hand.
Myojin of Life's Web has indestructible as long as it has a divinity counter on it.
Remove a divinity counter from Myojin of Life's Web: Put any number of creature cards from your hand onto the battlefield.

Affinity for artifacts (This spell costs less to cast for each artifact you control.)
Flying
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card with lesser mana value. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Whenever this creature attacks, sacrifice it unless you sacrifice an Island.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
This creature doesn't untap during your untap step.
: Untap this creature. Activate only during your upkeep.

Flying, trample
Whenever The Unspeakable deals combat damage to a player, you may return target Arcane card from your graveyard to your hand.

Each player shuffles all cards from their hand and all permanents they own into their library, then draws that many cards. Each player may put any number of land cards from their hand onto the battlefield. Exile The Great Aurora.

When you cast this spell, you may return target creature card from your graveyard to the battlefield.
Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.)

You may pay 6 life and sacrifice three black creatures rather than pay this spell's mana cost.
Flying, trample

Suspend 10—
Sacrifice an artifact, creature, or land: Remove a time counter from this card. Activate only if this card is suspended.

Affinity for artifacts (This spell costs less to cast for each artifact you control.)
Flying
Broodstar's power and toughness are each equal to the number of artifacts you control.

Exile all artifacts, creatures, and lands from the battlefield, all cards from all graveyards, and all cards from all hands.
Cycling (, Discard this card: Draw a card.)
When you cycle this card, destroy all lands.

Target player takes two extra turns after this one.

Create X 1/1 white Pegasus creature tokens with flying, where X is your life total.

When you cast this spell, draw four cards.
Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents of their choice.)
When Kozilek is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

( can be paid with any two mana or with . This card's mana value is 10.)
Other Scarecrow creatures you control get +1/+1.
Whenever another Scarecrow you control enters, destroy target permanent.

Prototype — 3/5 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)
Reach, trample

Protection from everything
If Progenitus would be put into a graveyard from anywhere, reveal Progenitus and shuffle it into its owner's library instead.