Stalwart Aven

Flying (This creature can’t be blocked except by creatures with flying or reach.)
Renown 1 (When this creature deals combat damage to a player, if it isn’t renowned, put a +1/+1 counter on it and it becomes renowned.)

Touch of Moonglove

Target creature you control gets +1/+0 and gains deathtouch until end of turn. Whenever a creature dealt damage by that creature dies this turn, its controller loses 2 life. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

Roots

Enchant creature without flying
When Roots enters the battlefield, tap enchanted creature.
Enchanted creature doesn’t untap during its controller’s untap step.

Meteorite

When Meteorite enters the battlefield, it deals 2 damage to any target.
: Add one mana of any color.

Fortifying Provisions

Creatures you control get +0/+1.
When Fortifying Provisions enters the battlefield, create a Food token. (It’s an artifact with “, , Sacrifice this artifact: You gain 3 life.”)

Heart-Piercer Manticore

When Heart-Piercer Manticore enters the battlefield, you may sacrifice another creature. When you do, Heart-Piercer Manticore deals damage equal to that creature’s power to any target.
Embalm (, Exile this card from your graveyard: Create a token that’s a copy of it, except it’s a white Zombie Manticore with no mana cost. Embalm only as a sorcery.)

Ancestral Blade

When Ancestral Blade enters the battlefield, create a 1/1 white Soldier creature token, then attach Ancestral Blade to it.
Equipped creature gets +1/+1.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Tribute Mage

When Tribute Mage enters the battlefield, you may search your library for an artifact card with converted mana cost 2, reveal that card, put it into your hand, then shuffle your library.

Battlefield Promotion

Put a +1/+1 counter on target creature. That creature gains first strike until end of turn. You gain 2 life.

Burn Bright

Creatures you control get +2/+0 until end of turn.

Sphinx’s Insight

Draw two cards.
Addendum — If you cast this spell during your main phase, you gain 2 life.

Act of Treason

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and this turn.)

Deadly Visit

Destroy target creature.
Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Moodmark Painter

Undergrowth — When Moodmark Painter enters the battlefield, target creature gains menace and gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard. (It can’t be blocked except by two or more creatures.)

Ghirapur Guide

: Target creature you control can’t be blocked by creatures with power 2 or less this turn.