{T}: Add one mana of any color.
{1}{VP}{VP}{VP}, {T}, Sacrifice Petabyte Prism: Draw two cards.

When Neon Colossus dies, draw a card.

{5}: Lightspeed Cruiser becomes an artifact creature until end of turn.
Crew 2

Equipped creature gets +2/+1.
Equip {VP}{VP}

When Electromagnetic Geode enters, draw a card.
{2}, {T}, Sacrifice Electromagnetic Geode: Add two mana of different colors.

{T}: Add three mana of different colors.

{6}, {T}, Sacrifice Deafening Loudspeaker: It deals 5 damage to target creature. This ability costs {1} less to activate for each attacking creature you control.

When Confetti Cannons leaves the battlefield, create a 1/1 white Elemental Bird creature token with flying.

Ward—Pay 8 life.
You may have Wayward Coalescence assign its combat damage as though it weren't blocked.

Artifact spells you cast cost {1} less to cast.
Whenever Waveform Harnessing Unit or another artifact you control enters, target creature gets +1/+1 and gains lifelink until end of turn.

Choose up to four target permanents. If you control a creature, destroy a creature chosen this way. Repeat this process for artifacts, enchantments, and planeswalkers.

At the beginning of your upkeep, create a 1/1 red Fan creature token. Then if you control two or more Fans, create another one of those tokens. Then if you control five or more Fans, Underground Sensation deals 2 damage to any target and you gain 2 life.
{3}{R}{W}: Create a 1/1 red Fan creature token.

First strike
Whenever Tormenting Lightrider attacks, if defending player has 10 or less life, Tormenting Lightrider gains double strike until end of turn.
At the beginning of your end step, if a creature died this turn, each opponent loses 3 life unless they discard a card or sacrifice a nonland permanent.

As Top of the Charts enters, choose a mana value.
Creatures with the chosen mana value get +1/+1. All other creatures get -1/-1.

Enchant creature
As long as enchanted creature has flying, each creature you control has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance.

Target player sacrifices a creature with the greatest power among creatures they control. Create X 1/1 red and green Elemental creature tokens, where X is the sacrificed creature's power.

When Sinister Sampler enters, exile up to one target artifact and up to one target artifact card in a graveyard.
{2}{VP}{U}{B}, {T}: Create a token that's a copy of a card exiled with Sinister Sampler. Activate only as a sorcery.

Flying
Ward—Sacrifice a nonland, nontoken permanent.
Whenever a creature dies, Shredding Dragon deals 1 damage to any target.

[+1]: Choose up to two target creatures. Until your next turn, when one of them leaves the battlefield, exile the other.
[0]: Reveal the top card of your library. You may reveal a card you own from outside the game that shares a mana value or card type with the revealed card. Put one of those cards into your hand and exile the rest.
[–7]: For each permanent on the battlefield, create a token that's a copy of it.

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

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.

Flying, deathtouch, haste

Whenever you scry, each opponent loses X life and you gain X life, where X is the number of cards you looked at.
{2}{W}{B}: Scry 1.

Enchant land you control
Enchanted land is a 2/2 Elemental creature with vigilance, haste, and “{T}: Add two mana of different colors.” It's still a land.
If enchanted land would leave the battlefield, instead sacrifice Manifest the Lightveins and that land gains indestructible until end of turn.

Menace
Other Elementals you control have menace.