Raffine's Tower + Urza's Power-Plant

Tolarian Sanctum
Land (R)
~ enters the battlefield tapped.
: Add or . If you added mana of three or more different colors this, add two mana of that color instead.

Urza's Power-Plant + Akroan Jailer

Urza's Gate
Land — Urza's Gate
: Add .
, : Tap target creature. This ability costs less to activate for each Urza's land you control.

akroan jailer + lazav, dimir mastermind

Lazav, Dimir Mastermind × Crushing Canopy

Crushing Canopy + Akki War Paint

Kodama's Spite
Enchantment — Aura
Enchant creature
Enchanted creature gets +2/+1 and has reach.
, Sacrifice Kodama's Spite: Destroy target enchantment.
Channel — , Discard Kodama's Spite: Destroy target enchantment.

akki war paint + decaying soil


I feel like green lifelink is a reasonable bend.

Decaying Soil + Mirran Spy

Carver of Perfection
Artifact Creature — Phyrexian Artificer Cleric
Whenever you cast an artifact spell, return a nonartifact creature you control to its owner's hand. If you do, put an oil counter on Carver of Perfection.
, Remove two oil counters from Carver of Perfection: Target artifact gains hexproof and indestructible until end of turn.
3/3

Mirran Spy + Dregscape Zombie

Digscape Supervisor
Creature — Human Artificer
Whenever one or more artifact cards leaves your graveyard, untap up to one target permanent.
"The dustier it is, the more excited my crew gets."
2/3

dregscape zombie + snakeform

Snakeform + Merfolk Thaumaturgist

Gyre-Clade Ophiologist
Creature — Merfolk Snake Druid
: Exchange Gyre-Clade Ophiologist's base power and toughness with another target creature's base power and toughness until end of turn. Activate this ability only as a sorcery.
"Shed the skin of your limiting beliefs."
1/1

merfolk thaumaturgist + chromatic lantern

Kiora's Reeftender
Creature - Merfolk Druid
: Untap target land you control. It becomes the basic land type of your choice until end of turn.
[1/3]

chromatic lantern + engulf the shore

Engulf the Shore + Goblin Trenches

Receding Tides
Sorcery
Return all lands to their owners' hands. For each land returned this way, its controller creates a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add ."
In place of water, flesh. In place of breeze, keening. In place of tide, inexorable draw of the end.

Goblin Trenches + Mistwalker

Littjara Floes
Kindred Snow Enchantment — Shapeshifter
Changeling
, Sacrifice a land: Create a 2/2 blue Shapeshifter creature token with changeling.
, Sacrifice a snow land: Create a token that's a copy of target creature you control except its base power and toughness is 2/2 and it has changeling.
Like snowmelt, the Shapeshifters always changing forms, always flowing far, always colder than they appear.

Mistwalker + Call to the Grave

Call to the Mist

Enchantment
At the beginning of each player's upkeep, that player exiles a creature without changeling they control and creates a 2/2 colourless Shapeshifter creature token with changeling.
At the beginning of the end step, if no creatures without changeling are on the battlefield, sacrifice Call to the Mist.
To become a mist born is both the blessing of being anyone and the curse of being no one.

Call to the Grave + Aven Fisher

Frantic Vivisection
Enchantment (R)
At the beginning of each player's end step, that player sacrifices a creature. If they do, they draw two cards. Then if that player has seven or more cards in hand, sacrifice Frantic Vivisection.
As the king's illness progressed, his physicians' search for a cure grew increasingly desperate.

Aven Fisher + Dennick, Pious Apprentice

Novice Investigator
Creature ─ Bird Soldier (U)
Flying
Whenever a creature is disturbed, investigate.
Disturb
2/1
One wrongful arrest and he was stuck on graveyard patrol.
////////
Hard-boiled Detective
Creature ─ Bird Soldier (U)
Flying, vigilance
: Destroy target creature that entered the battlefield from a graveyard this turn.
2/4
Four years on graveyard duty earned him a keen sense of the undead.

dennick, pious apprentice + tsunami

Tsunami + Farmer Cotton

Simple Needs
Sorcery (R)
Destroy X target tokens.

tsunami x preordain

Rivers of Fate
Sorcery
Scry 3, then you may sacrifice an Island. If you do, draw a card.

... Too slow

Farmer Cotton x preordain

Detective Zenigata
Legendary Creature - Human Detective
When ~ enters the battlefield, create X Clue tokens and X white Human Soldier creature tokens.
[1/3]