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.

{T}: Add {C}.
Whenever you amp it up, untap Pulsing Soundsea.

Haste
{T}, Sacrifice Pyrote Entity: It deals 1 damage to any target.

Whenever you amp it up, Pyrote Technician deals 2 damage to each opponent.

Flying, deathtouch, haste

Quantum Skycity enters tapped.
{T}: Add {W} or {U}.
{T}, Discard another card named Quantum Skycity: Draw a card.

Rampant Fanaticism deals damage equal to the number of creatures you control to target creature or planeswalker.

Rapturous Festival enters tapped.
{T}: Add {G} or {W}.
{T}, Discard another card named Rapturous Festival: Draw a card.

Rattling Soundvein enters tapped.
When Rattling Soundvein enters, you may pay 1 life. If you do, add one mana of any color other than red.
{T}: Add {R}.

Drop — When Rave Mastermind enters, target player discards a card. If you didn't cast any creature spells during your last turn, that player discards two cards instead. Put each land card discarded this way onto the battlefield tapped under your control.

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.

Counter target spell unless its controller pays {2}. Look at its controller's hand and the top card of their library.

{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.

Relentless Busker can't block.
{VP}{VP}{VP}: Return Relentless Busker from your graveyard to the battlefield.

Choose two —
• Target player may scry 3.
• Return target permanent you control to its owner's hand.
• You may tap or untap target creature.

Drop — Reptilian Raver enters with two +1/+1 counters on it if you didn't cast any creature spells during your last turn.

At the beginning of combat on your turn, you may pay {1}. If you do, create a 1/1 red and green Elemental creature token. It gains haste. Sacrifice it at end of combat.

Flying
Drop — When Revenant Benefactor enters, if you didn't cast any creature spells during your last turn, return target creature card from your graveyard to the battlefield.

Return target creature card with mana value 4 or less from your graveyard to the battlefield. It gets +2/+1 and gains trample and haste until end of turn. Sacrifice it at the beginning of the next end step.

Counter target spell. Untap up to four lands.

Draw a card. If you've amped it up this turn, creatures your opponents control get -1/-0 until end of turn.

When Riotous Rockers enters, it deals 3 damage to up to one target that was dealt damage this turn.

Cast this spell only during combat.
Untap all attacking creatures and tap all blocking creatures. After this phase, there is an additional combat phase.

Target creature gets +2/+0 and gains first strike until end of turn. It gets an additional +1/+0 until end of turn for each time you've amped it up this turn.

Scry 2, then draw two cards. You lose 2 life.