Choose one. If you've cast another spell this turn, choose any number instead.
• Target spell's owner puts it on the top or bottom of their library.
• Create a token that's a copy of target nonland permanent with mana value 1 or less.
• Return target sorcery card from your graveyard to your hand. Exile Possibility Slips Away.

When Primal Pathbreaker enters the battlefield, search your library for a basic land card, put it onto the battlefield, then shuffle. Then if you control eight or more lands, that land becomes a 4/4 green Elemental creature. It's still a land.

Flash
When Primordial of Emila Glade enters the battlefield, return up to two instant and/or sorcery cards from your graveyard to your hand.
Once each turn, you may pay {U} rather than pay the mana cost for an instant or sorcery spell.

Deathtouch
Whenever a creature you control with deathtouch deals combat damage to a player, you may pay 1 life. If you do, draw a card.

As an additional cost to cast spells during an opponent's turn, you may pay {U} and reveal Promethean Jaxl from your hand. If you do, you get a lurk counter.
Flash
Promethean Jaxl enters the battlefield tapped.
When Promethean Jaxl enters the battlefield, you draw a card for each lurk counter you have, then you lose all lurk counters.

Flying
When Prototypical Broodwing enters the battlefield, choose one —
• Return target creature to its owner's hand.
• Return target instant or sorcery card from your graveyard to your hand.

Flash
Ward {4}
When Psychedelic Serpent enters the battlefield, gain control of target instant spell, sorcery spell, activated ability, or triggered ability. You may choose new targets for it.

Trample
Whenever a creature you control attacks, put a +1/+1 counter on Pulse of the Unending Rave.
When Pulse of the Unending Rave dies, put its counters on up to one target creature you control. That creature becomes a copy of Pulse of the Unending Rave.

Lifelink
Other creatures you control with lifelink get +1/+1.
If another source you control with lifelink dealing damage would cause you to gain life, you gain twice that much life instead.

Whenever you attack with exactly two creatures, draw a card. Prevent all damage that would be dealt to creatures you control this turn.

Menace
Whenever another creature you control with menace attacks, create a token that's a copy of that creature that's tapped and attacking. Exile that token at the beginning of the next end step.

Flash
This spell costs {1} less to cast for each permanent with flash you control and each instant card in your graveyard.
Ward {2}

Up to two target creatures can't block this turn. Create an X/1 red Ox creature token with trample and haste, where X is the total power of those creatures. Exile that token at the beginning of the next end step.

Trample, ward {3}
Other Yetis you control get +1/+1.
At the beginning of combat on your turn, if you've spent at least five mana to cast spells this turn, create a 3/3 green Yeti creature token with trample.

Raze the Streets deals 4 damage to any target.
{2}, Discard Raze the Streets: Search your library for a basic Mountain card, reveal it, put it into your hand, then shuffle.

Draw three cards, then discard a card.
If it's not an extra turn and you've amped it up twice this turn, take an extra turn after this one.
Exile Real Virtuality.

Return target artifact or creature card from your graveyard to the battlefield.
Flashback—{3}{B}, Sacrifice a creature.

Reduce to Ore deals 5 damage to target creature. If a Ruin dealt damage this way would die this turn, instead exile it and you create two Treasure tokens.

{3}{G}{G}, Exile Release the Unchained Melody from your hand: At the beginning of your next upkeep, you may cast Release the Unchained Melody from exile without paying its mana cost. Activate only as a sorcery.
Create three 3/3 green Elemental Spirit creature tokens.

Other creatures you control get +1/+1 and have vigilance.
Spellcharge 5

When Remnant of Zakros enters the battlefield, choose one —
• Each player sacrifices a creature.
• Each player sacrifices an enchantment.

When Renowned Roughrider enters or leaves the battlefield, create a 1/1 white Human creature token. Then if you control four or more creatures, put a +1/+1 counter on a creature you control.
Wander {4}{W}{W}

When Revenant of Winter enters the battlefield, tap target creature you don't control. It doesn't untap during its controller's next untap step.
Escape—{4}{U}, Exile four other cards from your graveyard.

Counter target spell. Untap up to four lands.

Return any number of creature cards with total mana value less than or equal to twice your devotion to black from your graveyard to the battlefield.