Flying, trample

Whenever a Dragon you control attacks, it gains double strike until end of turn.

When Breya, Etherium Shaper enters the battlefield, create two 1/1 blue Thopter artifact creature tokens with flying.

{2}, Sacrifice two artifacts: Choose one --

• Breya deals 3 damage to target player or planeswalker.

• Target creature gets -4/-4 until end of turn.

• You gain 5 life.

Flying

Whenever Derevi, Empyrial Tactician enters the battlefield or a creature you control deals combat damage to a player, you may tap or untap target permanent.

{1}{G}{W}{U}: Put Derevi onto the battlefield from the command zone.

Eminence -- Whenever you cast another Vampire spell, if Edgar Markov is in the command zone or on the battlefield, create a 1/1 black Vampire creature token.

First strike, haste

Whenever Edgar Markov attacks, put a +1/+1 counter on each Vampire you control.

Red instant and sorcery spells you control have lifelink.

Whenever a white instant or sorcery spell causes you to gain life, Firesong and Sunspeaker deals 3 damage to target creature or player.

Ghave, Guru of Spores enters the battlefield with five +1/+1 counters on it.

{1}, Remove a +1/+1 counter from a creature you control: Create a 1/1 green Saproling creature token.

{1}, Sacrifice a creature: Put a +1/+1 counter on target creature.

Whenever Hapatra, Vizier of Poisons deals combat damage to a player, you may put a -1/-1 counter on target creature.

Whenever you put one or more -1/-1 counters on a creature, create a 1/1 green Snake creature token with deathtouch.

Jarad, Golgari Lich Lord gets +1/+1 for each creature card in your graveyard.

{1}{B}{G}, Sacrifice another creature: Each opponent loses life equal to the sacrificed creature's power.

Sacrifice a Swamp and a Forest: Return Jarad from your graveyard to your hand.

Flying

You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast.

This spell costs {1} less to cast for each creature card in your graveyard.

Once during each of your turns, you may cast a creature spell from your graveyard.

Bestow {3}{G}{W}{U} (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 +4/+4.

Whenever an enchanted creature or enchantment creature you control attacks, draw a card.

At the beginning of your end step, draw a card. Each player may put a land card from their hand onto the battlefield, then each opponent who didn't draws a card.

+2: Discard a card, then draw a card. If a land card is discarded this way, draw an additional card.

-3: Return up to two target land cards from your graveyard to the battlefield.

-11: Destroy up to six target nonland permanents, then create six 2/2 green Cat Warrior creature tokens with forestwalk.

Lord Windgrace can be your commander.

+2: Discard a card, then draw a card. If a land card is discarded this way, draw an additional card.

-3: Return up to two target land cards from your graveyard to the battlefield.

-11: Destroy up to six target nonland permanents, then create six 2/2 green Cat Warrior creature tokens with forestwalk.

Lord Windgrace can be your commander.

{3}{R}{G}{W}, {T}: Look at the top five cards of your library. You may put a creature card with power 5 or greater from among them onto the battlefield. Put the rest on the bottom of your library in any order.

Play with the top card of your library revealed.

You may cast instant and sorcery spells from the top of your library.

Whenever you cast an instant or sorcery spell from your library, copy it. You may choose new targets for the copy.

Reach, trample

Multani, Yavimaya's Avatar gets +1/+1 for each land you control and each land card in your graveyard.

{1}{G}, Return two lands you control to their owner's hand: Return Multani from your graveyard to your hand.

Double strike, indestructible

Oketra the True can't attack or block unless you control at least three other creatures.

{3}{W}: Create a 1/1 white Warrior creature token with vigilance.

At the beginning of your upkeep, you gain 2 life.

Whenever you gain life, you may pay {1}. If you do, draw a card and each opponent loses 1 life.

At the beginning of your upkeep, if Oloro, Ageless Ascetic is in the command zone, you gain 2 life.

Deathtouch, haste

When Queen Marchesa enters the battlefield, you become the monarch.

At the beginning of your upkeep, if an opponent is the monarch, create a 1/1 black Assassin creature token with deathtouch and haste.

+1: Create a 1/1 colorless Servo artifact creature token.

+1: The next spell you cast this turn costs {1} less to cast for each artifact you control as you cast it.

-7: For each artifact you control, create a token that's a copy of it. Those tokens gain haste. Exile those tokens at the beginning of the next end step.

Saheeli, the Gifted can be your commander.

Indestructible

Whenever Sapling of Colfenor attacks, reveal the top card of your library. If it's a creature card, you gain life equal to that card's toughness, lose life equal to its power, then put it into your hand.

Vigilance, haste

As Saskia the Unyielding enters the battlefield, choose a player.

Whenever a creature you control deals combat damage to a player, it deals that much damage to the chosen player.

Flying

{2}: Search your library for a Dragon permanent card and put it into your graveyard. If you do, Scion of the Ur-Dragon becomes a copy of that card until end of turn. Then shuffle.

{2}{B}, Sacrifice a creature: Each other player sacrifices a creature.

{2}{R}, Sacrifice an artifact: Each other player sacrifices an artifact.

{2}{G}, Sacrifice an enchantment: Each other player sacrifices an enchantment.

Flying, hexproof

Spells and abilities your opponents control can't cause you to sacrifice permanents.

{2}: Create a 1/1 colorless Sliver creature token.

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.

Landfall -- Whenever a land enters the battlefield under your control, you gain 1 life and draw a card.

Eminence -- As long as The Ur-Dragon is in the command zone or on the battlefield, other Dragon spells you cast cost {1} less to cast.

Flying

Whenever one or more Dragons you control attack, draw that many cards, then you may put a permanent card from your hand onto the battlefield.

Other green creatures you control get +1/+1.

Other white creatures you control get +1/+1.

{T}: Create Voja, a legendary 2/2 green and white Wolf creature token.

Flying

Whenever Treva, the Renewer deals combat damage to a player, you may pay {2}{W}. If you do, choose a color, then you gain 1 life for each permanent of that color.

Whenever another creature enters the battlefield under your control, you gain life equal to that creature's toughness.

{1}{G}{W}, {T}: Populate. (Create a token that's a copy of a creature token you control.)

Whenever you attack with one or more Zombies, draw that many cards, then discard that many cards. You gain that much life.

{2}, Exile two cards from your graveyard: Create a tapped 2/2 black Zombie creature token.

Flying, vigilance, menace

Whenever Yennett, Cryptic Sovereign attacks, reveal the top card of your library. You may cast it without paying its mana cost if its mana value is odd. If you don't cast it, draw a card.

Commander ninjutsu {U}{B} ({U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand or the command zone tapped and attacking.)

Whenever a Ninja you control deals combat damage to a player, reveal the top card of your library and put that card into your hand. Each opponent loses life equal to that card's mana value.