Trample
When Hunger's Door enters, you may return target Aura card from your graveyard to the battlefield attached to Hunger's Door.

Trample
When this creature enters, you may sacrifice two nonland, non-Serpent permanents. If you do, create a 6/6 green Serpent creature token with trample. Repeat this process any number of times.

Ninjutsu {4}{G}

The first spell you cast during each of your opponent's turns cost {U}{B} less to cast.
During each ending phase, nonland cards in your graveyard have flash and surface. The surface cost is equal to their mana cost.
Surface {6}{U}{U}{B}

Menace
Whenever one or more creatures you control deal combat damage to a player, sacrifice one of them.

You may pay {3}{R/G}{R/G} and sacrifice an artifact or enchantment rather than pay this spell's mana cost.
Trample

Whenever Phlage enters or attacks, Phlage deals 2 damage divided as you choose among one or two targets. Draw a card.
{U}{U}{R}{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.

Whenever Skotha enters or attacks, each opponent discards a card. Then you may return a permanent card with mana value 3 or less from your graveyard to the battlefield.
{B}{B}{G}{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.

Trample
Amity — Whenever you attack with Stitches, Orphaned and exactly one other creature, transform Stitches at the beginning of the next turn's upkeep.

This spell costs {1} less to cast for each card with a cycling ability in your graveyard.
Reach

Flash
Approval — When Congressional Kraken enters, return each nonland permanent with mana value less than or equal to the number of colors among permanents you control to their owners' hands.

Menace
Swampcycling {2}

When Penrath Ambassador enters, target creature must be blocked each combat this turn if able and target creature can't block this turn.
Basic landcycling {1}{G}

Menace
Whenever Ship Shredder enters or you cast a spell from your graveyard, each opponent loses 2 life and you gain 2 life.

This spell can't be countered.
First strike, haste
Whenever an opponent casts a spell during your turn, End of Mutations deals 5 damage to them.

Favored
Legendary creatures you control have trample.

This spell costs {2} less to cast if a Subroutine ran under your control this turn.
When this creature dies, cache the top card of your library face down.

When this creature enters, choose one —
• Target creature gets +1/+1 until end of turn for each creature and/or enchantment card in your graveyard.
• Target creature gets -1/-1 until end of turn for each creature and/or enchantment card in your graveyard.

Matter Harvester has protection from mana values less than the number of artifacts you control.
Whenever a nonland permanent you don't control leaves the battlefield, create a 1/1 colorless Cyborg artifact creature token.

Indestructible
Equipped creature has indestructible as long as it's your turn.
Equip {1}
Spellcharge 5

Vigilance
{T}: Scry 1.
Spellcharge 5

Other creatures you control get +1/+1 and have vigilance.
Spellcharge 5

Flying
Discard a card: Put a +1/+1 counter on Jetstream Cruiser. Activate only once each turn.

This spell costs {1} less to cast for each creature and/or enchantment card in your graveyard.
Ward—Discard a card.

{C/B}: Integrate target card in a graveyard.
As long as a creature card with flying is integrated onto Corpsepyre Fiend, it has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, reach, trample, and vigilance.