Vines of the recluse + Triarch Praetorian

Dread Weaver's Embrace
Enchantment - Aura (R)
Enchant creature
When Dread Weaver's Embrace enters the battlefield from a graveyard, return target creature card from your graveyard to your hand.
Enchanted creature gets +3/+3 and reach.
Escape - , Exile two other cards from your graveyard.

Triarch Praetorian + Crater Hellion

Catacomb Howler
Artifact Creature — Zombie Berserker
Echo
When Catacomb Howler enters the battlefield, you may have it deal 2 damage to a creature you control. If you do, draw a card.
Unearth
2/2

echo doesn't seem like it adds a lot to that design, if you want another trigger you'd just have it kill itself
Crater Hellion × Hideous End

hideous end + plague witch

Plague Witch + Talrand, Sky Summoner

Talrand, Bombardment Summoner |
Legendary Creature - Phyrexian Merfolk

Whenever you cast an instant or sorcery spell, incubate 2.
Whenever an incubator token enters the battlefield under your control, up to one target creature gets -X/-X until end of turn where X is the number of +1/+1 counters on that token.

2/2

Talrand, Sky Summoner + Ivory Mask

Vantage Point
Enchantment
As long as you control a creature with flying, you have protection from spells and abilities.
"I know everyone looks up to me. It's the only way they can see me." — Azor

ivory mask + emerge unscathed

Emerge Unscathed + Sporemound

Safe Space
Enchantment
: Target land you control becomes an X/X green and white Elemental creature with Vigilance until end of turn.
Whenever a land enters the battlefield under your control, it gains ", : Target creature you control gains protection from the color of your choice until end of turn" until your next turn.

Sporemound + Ancient Stirrings

Brush Beating
Sorcery (U)
Reveal the top five cards of your library. Create X 1/1 green saproling creature tokens where X is the number of land cards revealed in this way. Put a creature card revealed in this way on top of your library then put the rest on the bottom of your library in any order.
The lord sent his serfs out to scare up some prey. Unfortunately, the beast was thinking the same thing.

Ancient Stirrings + Igneous Inspiration

Eldritch Inspiration |
Sorcery

Learn, then you may reveal a colorless, nonland card from your hand. If you do, target creature you control gets +X/+X and trample until end of turn where X is the revealed card's mana value.

Igneous Inspiration + Fluxcharger

Two ideas.

Dazzling Dance Partner
Creature — Orc Shaman
When Dazzling Dance Partner enters the battlefield, create a 4/4 blue and red Elemental creature token.
Magecraft — Whenever you cast or copy an instant or sorcery spell, up to one target Elemental you control gets +3/-3 until end of turn.
0/1

Inspired Ignaeryx
Creature — Weird
Flying
Whenever you put one or more cards in your hand from anywhere except your library, Inspired Ignaeryx deals 3 damage to any target. This ability activates once per turn.
0/3

Fluxcharger + Rubblebelt Runner

Infuriating Charge
Sorcery (U)
You may rather than pay this spells mana cost if it targets a token.
Gain control of target creature until end of turn. Untap that creature. Switch it's power and toughness until end of turn. It gains haste until end of turn.

Rubblebelt Runner + Suntail Squadron

Go Analog
Instant
Choose one—

• Destroy target artifact.
• Destroy target enchantment.
• Destroy target conjured permanent.
• Remove all perpetual changes from target card in a graveyard and exile it.

Suntail Squadron + Ghastly Gloomhunter

Ghastly Squadron
Creature ─ Zombie Bird (R)
Flying, lifelink, multikicker
If Ghastly Squadron was kicked, create a token copy of it for each time it was kicked.
3/3

ghastly gloomhunter + world at war

World at War + Klauth's Will

Wholesale Slaughter
Sorcery (R)
Wholesale Slaughter deals X damage to each creature.
After the first postcombat main phase this turn, there’s an additional combat phase followed by an additional main phase. At the beginning of that combat, untap X creatures that attacked this turn.

Klauth's Will + Wojek Embermage

Mob Violence |
Sorcery

Choose one—

• Choose one of your commanders. ~ deals X damage to each creature and planeswalker that does not share a color with it.
• ~ deals X damage to target creature or planeswalker.

Wojek Embermage + Blinding Drone

Blinding Voidmage
Creature ─ Eldrazi Wizard (C)
Devoid, haste
Radiance ─ When Blinding Voidmage enters the battlefield, tap target creature and each creature it shares a color with.
2/2

Funny that devoid gets around the design issues with radiance.

Blinding Drone + Inga Rune-Eyes

Prophet of the Titans
Creature — Human Cleric
When Prophet of the Titans enters the battlefield, reveal your library. Choose a card with the greatest mana value among cards in your library, exile it, then shuffle.
When Prophet of the Titans dies, put the exiled card in your hand. If three or more creatures died this turn, add .
"All things knowable will be destroyed and all things unknowable will be realized."
1/1

Inga Rune-Eyes + Memory Drain

Prophet of Omens
Creature — Human Wizard (R)
Prophet of Omens enters the battlefield with 6 uncertainty counters.
Flying
, : Counter target spell. X is equal to the number of difficulty counters on Prophet of Omens.
Whenever you scry, remove an uncertainty counter from Prophet of Omens.
2/4