{1}, {T}: Target land you control becomes a 4/4 Elemental creature with lifelink, haste, and “When this creature dies, draw a card.” It's still a land. Sacrifice it at the beginning of the next end step.

Attacking creatures you control have first strike.
Whenever you amp it up, draw a card.

Whenever Kaleidoscope Mage attacks, look at the top three cards of your library. You may put any number of land cards with different names from among them onto the battlefield tapped. Put the rest on the bottom in a random order.

This spell can't be countered.
Destroy target nonland permanent.

Flash
At the beginning of your end step, if you control three or more untapped lands, put a +1/+1 counter on Flow Grandmaster.

Double strike
Whenever you attack, mill two cards. For each of the milled cards, you may cast it, then if you don't, creatures you control get +1/+0 until end of turn.

Flash
Flying
When Electronegative Specialist enters, choose a number. You and creatures you control gain protection from mana values equal to the chosen number until end of turn.

Whenever one or more creatures you control deal combat damage to a player, you draw a card unless that player discards a card.
{X}: Creatures with power X or less can't block this turn.

You may look at the top card of your library any time.
You may cast artifact and enchantment spells from the top of your library.
{T}, Sacrifice three artifacts and/or enchantments: Search your library for a card, then shuffle and put that card on top.

This spell costs {1} less to cast for each creature that died this turn.
{2}, Sacrifice a creature: Choose one —
• Each opponent loses 2 life.
• Caustic Influencer gets +2/+2 until end of turn.

Haste
Whenever you amp it up, put a +1/+1 counter on Breakbot. It gains first strike until end of turn.

Creatures you control with power greater than their base power can't be blocked by more than one creature.
{G}{W}: Target creature gets +1/+1 until end of turn. Activate only as a sorcery.

Flying
Whenever you amp it up, Android Stunner deals 1 damage to any target. If a permanent was dealt damage this way, tap it and put a stun counter on it.

As long as you control four or more lands with different names, Worldtreader Beast can't be blocked by creatures with power 2 or less.

Trample
Drop — When Wavelength Synchronizer enters, if you didn't cast any creature spells during your last turn, you gain 4 life.

As long as Undeniable Groove has power 4 or greater, it must be blocked if able.

{T}: Add one mana of any color.

Deathtouch
{G}: Temptuous Crooner gains reach until end of turn.

Enchant creature
Enchanted creature gets +3/+3.
{4}{G}, Exile Steady Bass from your graveyard: Put three +1/+1 counters on target creature. Activate only as a sorcery.

{2}, Sacrifice Spry Illuminator: Destroy target enchantment or noncreature artifact.

Each creature you control enters with an additional +1/+1 counter on it if you cast it.
Whenever an Elemental creature you control enters, you gain life equal to its power.

Scry 3, then reveal the top card of your library. If it's a creature card, put it into your hand.

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

{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.

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.