Flying

Whenever you cast your first spell during each opponent's turn, create a 1/1 black Faerie Rogue creature token with flying.

Whenever one or more Faeries you control deal combat damage to a player, goad target creature that player controls.

Arisen Gorgon has deathtouch as long as you control a Liliana planeswalker. (Any amount of damage this deals to a creature is enough to destroy it.)

When Bilbo, Retired Burglar enters or leaves the battlefield, the Ring tempts you.

Whenever Bilbo deals combat damage to a player, create a Treasure token.

First strike

When Cemetery Gatekeeper enters the battlefield, exile a card from a graveyard.

Whenever a player plays a land or casts a spell, if it shares a card type with the exiled card, Cemetery Gatekeeper deals 2 damage to that player.

At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its mana value.

: Add .

: Add one mana of any color. Spend this mana only to cast a legendary spell, and that spell can't be countered.

Flying

When Djinni Windseer enters the battlefield, roll a d20.

1–9 | Scry 1.

10–19 | Scry 2.

20 | Scry 3.

When Duskfang Mentor enters the battlefield, put a lifelink counter on target non-Human creature you control.

, : Put a +1/+1 counter on each creature you control with lifelink.

Elspeth's Smite deals 3 damage to target attacking or blocking creature. If that creature would die this turn, exile it instead.

: Endling gains menace until end of turn.

: Endling gains deathtouch until end of turn.

: Endling gains undying until end of turn. (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

: Endling gets +1/-1 or -1/+1 until end of turn.

Flying, lifelink

Whenever you cast your second spell each turn, look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it.

Whenever one or more creatures attack one of your opponents or a planeswalker they control, those creatures gain menace until end of turn.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

When Grave Scrabbler enters the battlefield, if its madness cost was paid, you may return target creature card from a graveyard to its owner's hand.

Reach

Undergrowth — When you cast this spell, reveal the top X cards of your library, where X is the number of creature cards in your graveyard. You may put a green permanent card with mana value X or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

: Iridescent Blademaster gets +2/+2 until end of turn.

+1: Put a ghostform counter on up to one target nontoken creature. It gains "When this creature dies or is put into exile, return it to its owner's hand and create a 1/1 white Spirit creature token with flying."

−3: Exile target nonland permanent.

−7: You get an emblem with "At the beginning of your upkeep, you may cast a legendary spell from your hand, from your graveyard, or from among cards you own in exile without paying its mana cost."

+1: Target player loses 2 life.

−1: Return target creature card from your graveyard to your hand.

−7: Destroy up to two target creatures. Put up to two creature cards from graveyards onto the battlefield under your control.

Partner with Ley Weaver (When this creature enters the battlefield, target player may put Ley Weaver into their hand from their library, then shuffle.)

: Target player draws two cards.

Enchant creature

As Metamorphic Alteration enters the battlefield, choose a creature.

Enchanted creature is a copy of the chosen creature.

Whenever you tap a Swamp for mana, add an additional .

: Nirkana Revenant gets +1/+1 until end of turn.

Flying

Other Demons, Devils, Imps, and Tieflings you control get +1/+1 and have lifelink.

At the beginning of each end step, if a creature card was put into your graveyard from anywhere this turn, create a 1/1 red Devil creature token with "When this creature dies, it deals 1 damage to any target."

Whenever a creature you control deals combat damage to a player, add that much . Until end of turn, you don't lose this mana as steps and phases end.

When Setessan Petitioner enters the battlefield, you gain life equal to your devotion to green. (Each in the mana costs of permanents you control counts toward your devotion to green.)

Each player chooses a creature or planeswalker they control, then sacrifices the rest. Players can't cast creature or planeswalker spells until the end of your next turn.

+1: Until your next turn, creatures can't attack you or planeswalkers you control unless their controller pays 2 life for each of those creatures.

−3: Search your library for a Dragon card, reveal it, put it into your hand, then shuffle.

−7: Destroy all non-Dragon creatures.

Sivitri, Dragon Master can be your commander.

When Stoneforge Mystic enters the battlefield, you may search your library for an Equipment card, reveal it, put it into your hand, then shuffle.

, : You may put an Equipment card from your hand onto the battlefield.

+2: Create two 0/1 black Thrull creature tokens.

+1: You may sacrifice another creature or planeswalker. If you do, draw two cards, then draw another card if the sacrificed permanent was a commander.

−10: Gain control of all commanders. Put all commanders from the command zone onto the battlefield under your control.

Tevesh Szat, Doom of Fools can be your commander.

Partner

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.)

I — Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

II — Create a 1/1 green Saproling creature token.

III — Domain — Target creature you control gets +X/+X and gains trample until end of turn, where X is the number of basic land types among lands you control.

First strike

You may look at the top card of your library any time.

As long as an opponent controls more lands than you, you may play lands from the top of your library. (You can play a land this way only if you have an available land play remaining.)

+2: You may sacrifice another permanent. If you do, you gain 1 life and draw a card.

−3: Destroy target nonland permanent with mana value 3 or less.

−9: You get an emblem with "Whenever a creature you control deals combat damage to a player, that player loses the game."

Wizard's Rockets enters the battlefield tapped.

, , Sacrifice Wizard's Rockets: Add X mana in any combination of colors.

When Wizard's Rockets is put into a graveyard from the battlefield, draw a card.