Lucille's Edge enters the battlefield with a double strike counter on it if it wasn't cast.
{R}: Lucille's Edge gets +1/+0 until end of turn.
{R}: Lucille's Edge gains haste until end of turn.
{R}: Lucille's Edge gains trample until end of turn.

Menace
Drop — Lurking Glitch enters the battlefield with two +1/+1 counters on it if you didn't cast any creature spells during your last turn.

Flying
Whenever Molten Slagmaw enters the battlefield or attacks, each opponent sacrifices an artifact or nonbasic land.

Draw a card for each creature you control. Then if you've drawn four or more cards this turn, create a 4/4 green Elemental creature token.

Whenever Phlage enters the battlefield or attacks, Phlage deals 2 damage to any target and you draw a card.
{2}{U}{R}: Return Phlage from your graveyard to the battlefield, then put it on the bottom of its owner's library. Activate only as a sorcery.

When Primal Pathbreaker enters the battlefield, search your library for a basic land card, put it onto the battlefield, then shuffle. Then if you control eight or more lands, that land becomes a 4/4 green Elemental creature. It's still a land.

As an additional cost to cast spells during an opponent's turn, you may pay {U} and reveal Promethean Jaxl from your hand. If you do, you get a lurk counter.
Flash
Promethean Jaxl enters the battlefield tapped.
When Promethean Jaxl enters the battlefield, you draw a card for each lurk counter you have, then you lose all lurk counters.

Destroy target creature an opponent controls. Each other creature that player controls gets -2/-0 until end of turn.

Trample, ward {3}
Other Yetis you control get +1/+1.
At the beginning of combat on your turn, if you've spent at least five mana to cast spells this turn, create a 3/3 green Yeti creature token with trample.

Choose one —
• Draw three cards.
• Return up to two target creatures to their owners' hands.

Return target artifact or creature card from your graveyard to the battlefield.
Flashback—{3}{B}, Sacrifice a creature.

{3}{G}{G}, Exile Release the Unchained Melody from your hand: At the beginning of your next upkeep, you may cast Release the Unchained Melody from exile without paying its mana cost. Activate only as a sorcery.
Create three 3/3 green Elemental Spirit creature tokens.

When Remnant of Zakros enters the battlefield, choose one —
• Each player sacrifices a creature.
• Each player sacrifices an enchantment.

Vigilance, menace
When Restless Sylph enters the battlefield, if you're ancient and you cast it, untap all lands you control.

This spell costs {1} less to cast for each land card in your graveyard.
Destroy target creature. Its controller loses 2 life.

Scarred Primeval has vigilance and trample as long as you're ancient.

This spell can't be countered.
Hexproof
As long as you're ancient, creatures you control have trample and haste.

As an additional cost to cast this spell, you may put a card from your hand on the bottom of your library. If you do, it costs {5} less to cast.
Searing Truthflame deals 5 damage to target creature or planeswalker.

Flash
When Sheltering Melusine enters the battlefield, creatures your opponents control get -X/-0 until end of turn, where X is the number of instant and/or sorcery cards in your graveyard.

Defender
Shoreline Crasher gets +2/+0 and can attack as though it didn't have defender as long as it is enchanted.

Flying
Ward—Sacrifice a nonland, nontoken permanent.
Whenever a creature dies, Shredding Dragon deals 1 damage to any target.

Whenever Skotha enters the battlefield or attacks, target player discards a card and you untap all lands you control.
{2}{B}{G}: Return Skotha from your graveyard to the battlefield, then put it on the bottom of its owner's library. Activate only as a sorcery.

Enchant land you control
Enchanted land is a 6/6 green Serpent creature with hexproof and haste. It's still a land.
When enchanted land dies, return that card to its owner's hand.

Return up to three target cards from your graveyard to your hand. Exile Soulless Archive.

Prowess
When Speaker of the Lightning enters the battlefield, return target instant or sorcery card from your graveyard to your hand.