Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) You can't lose the game this turn and your opponents can't win the game this turn. Until end of turn, damage that would reduce your life total to less than 1 reduces it to 1 instead.

Creatures you control gain indestructible. Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.

Exchange your hand and graveyard. Exile Harness Infinity.

Create X tapped 2/1 white and black Inkling creature tokens with flying. If X is 6 or more, destroy all noncreature, nonland permanents.

Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is the number of cards in your library.

Each player shuffles their hand and graveyard into their library, then draws seven cards. If it's your turn, end the turn. (Exile all spells and abilities from the stack, including this card. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

Create a 4/4 blue and red Elemental creature token.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. You gain 2 life.

Put two +1/+1 counters on target creature. It gains vigilance until end of turn.

Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it.

Create a 2/1 white and black Inkling creature token with flying.

Exile target nonland permanent. Its controller draws a card.

Create a 2/1 white and black Inkling creature token with flying, a 3/2 red and white Spirit creature token, and a 4/4 blue and red Elemental creature token.

Create two 1/1 black and green Pest creature tokens with "When this token dies, you gain 1 life."

Exile the top five cards of your library. An opponent separates those cards into two piles. You may play lands and cast spells from one of those piles. If you cast a spell this way, you cast it without paying its mana cost.

Target opponent sacrifices a creature of their choice, discards three cards, then loses 5 life. You return a creature card from your graveyard to your hand, draw three cards, then gain 5 life.

Return any number of permanent cards with different names from your graveyard to the battlefield.

Search your library for up to three monocolored cards with different names and exile them. An opponent chooses one of those cards. Shuffle that card into your library. You may cast the other cards without paying their mana costs. Exile Emergent Ultimatum.

Look at the top five cards of your library. Put any number of permanent cards from among them onto the battlefield and the rest into your hand. Exile Genesis Ultimatum.

Target player gains 5 life, Inspired Ultimatum deals 5 damage to any target, then you draw five cards.

Destroy all nonland permanents your opponents control.

Until end of turn, creatures you control get +5/+5 and gain first strike, trample, and lifelink.