Eidolon of Blossoms

Constellation — Whenever Eidolon of Blossoms or another enchantment you control enters, draw a card.

Chronostutter

Put target creature into its owner’s library second from the top.

Necromancer’s Stockpile

, Discard a creature card: Draw a card. If the discarded card was a Zombie card, create a tapped 2/2 black Zombie creature token.

Covenant of Blood

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature’s color.)
Covenant of Blood deals 4 damage to any target and you gain 4 life.

Temporal Fissure

Return target permanent to its owner’s hand.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Colossal Heroics

Strive — This spell costs more to cast for each target beyond the first.
Any number of target creatures each get +2/+2 until end of turn. Untap those creatures.

Hubris

Return target creature and all Auras attached to it to their owners’ hands.

Eidolon of Blossoms

Constellation — Whenever Eidolon of Blossoms or another enchantment you control enters, draw a card.

Nighthowler

Bestow (If you cast this card for its bestow cost, it’s an Aura spell with enchant creature. It becomes a creature again if it’s not attached to a creature.)
Nighthowler and enchanted creature each get +X/+X, where X is the number of creature cards in all graveyards.

Odunos River Trawler

When Odunos River Trawler enters, return target enchantment creature card from your graveyard to your hand.
, Sacrifice Odunos River Trawler: Return target enchantment creature card from your graveyard to your hand.

Fearsome Temper

Enchant creature
Enchanted creature gets +2/+2 and has “: Target creature can’t block this creature this turn.”

Skyreaping

Skyreaping deals damage to each creature with flying equal to your devotion to green. (Each in the mana costs of permanents you control counts toward your devotion to green.)

Whims of the Fates

Starting with you, each player separates all permanents they control into three piles. Then each player chooses one of their piles at random and sacrifices those permanents. (Piles can be empty.)

Nyxborn Rollicker

Bestow (If you cast this card for its bestow cost, it’s an Aura spell with enchant creature. It becomes a creature again if it’s not attached to a creature.)
Enchanted creature gets +1/+1.

Springleaf Drum

, Tap an untapped creature you control: Add one mana of any color.

Returned Phalanx

Defender
: Returned Phalanx can attack this turn as though it didn’t have defender.

Akroan Horse

Defender
When Akroan Horse enters, an opponent gains control of it.
At the beginning of your upkeep, each opponent creates a 1/1 white Soldier creature token.

Vaporkin

Flying
Vaporkin can block only creatures with flying.

Nighthowler

Bestow (If you cast this card for its bestow cost, it’s an Aura spell with enchant creature. It becomes a creature again if it’s not attached to a creature.)
Nighthowler and enchanted creature each get +X/+X, where X is the number of creature cards in all graveyards.

Grim Return

Choose target creature card in a graveyard that was put there from the battlefield this turn. Put that card onto the battlefield under your control.

Opal Lake Gatekeepers

When Opal Lake Gatekeepers enters, if you control two or more Gates, you may draw a card.

Pontiff of Blight

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)
Other creatures you control have extort. (If a creature has multiple instances of extort, each triggers separately.)