Had some ideas for fun with splice.
Gift of Fortune {1}{R}
Instant - Gift
Create a Treasure token. If this spell's name is Gift of Fortune, exile the top two cards of your library. You may play one of them until the end of your next turn.
Splice onto Gift {R}
Gift of Wisdom {1}{U}
Instant - Gift
Scry 2. If this spell's name is Gift of Wisdom, draw a card.
Splice onto Gift {U}
Gift of Might {1}{G}
Instant - Gift
Target creature gets +1/+1 until end of turn. If this spell's name is Gift of Might, it also gains trample and hexproof until end of turn.
Splice onto Gift {G}
Gift of Life {1}{W}
Instant - Gift
You gain 2 life. If this spell's name is Gift of Life, creatures you control get +0/+2 until end of turn.
Splice onto Gift {W}
Gift of Weakness {1}{B}
Instant - Gift
Target creature gets -2/-0 until end of turn. If this spell's name is Gift of Finality, it gets -3/-3 until end of turn instead.
Splice onto Gift {B}
Chronicler of Savagery {2}{G}
Creature - Bear Warrior
When this creature enters the battlefield, it fights up to one target creature you don't control.
Splice onto Creature {G}{G}
2/2
Chronicler of Portents {2}{U}
Creature - Cephalid Wizard
When this creature enters the battlefield, it connives.
Splice onto Creature {U}{U}
2/2
Chronicler of Restoration {2}{W}
Creature - Human Cleric
When this creature enters the battlefield, return up to one target aura card with mana value less than or equal to this creature's mana value from your graveyard to the battlefield attached to this creature.
Splice onto Creature {W}{W}
2/2
Chronicler of Fury {2}{R}
Creature - Goblin Warrior
When this creature enters the battlefield, it gains haste and first strike until end of turn.
Splice onto Creature {R}{R}
2/2
Chronicler of Vengeance {2}{B}
Creature - Zombie Warrior
When this creature enters the battlefield, it gains undying until end of turn.
Splice onto Creature {B}{B}
2/2
Would this even work? Playing around with equipment.
The Evolving Armory {1}
Artifact - Equipment
Equipment cards in your hand have mutate. Their mutate cost is equal to their mana cost.
Equipment spells you cast for their mutate cost can target The Evolving Armory as though it was a creature.
Soul Shell {2}
Creature Artifact - Equipment Spirit
Mutate {3}
Equipped creature has all activated abilities of Soul Shell other than Equip or Reconfigure.
Equipped creature has +X/+X, where X is equal to Soul Shell's mana value.
Reconfigure {2}
2/2
Vehicular Manslaughterer {2}
Artifact - Equipment Vehicle
First Strike, Trample
Equipped creature has +1/+1, first strike, and trample.
Sacrifice equipped creature: Vehicular Manslaughterer becomes an artifact creature until end of turn.
Equip {3}
5/5
Road Chopper {3}
Artifact - Equipment Vehicle
Equipped creature has +1/+1.
Whenever Road Chopper becomes crewed by exactly one creature, as Road Chopper stops being a creature this turn, attach it to that creature.
Crew 1
3/3