Whenever a nontoken creature you control enters, you may pay . If you do, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.

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.)

Flying, vigilance

Whenever Flockchaser Phantom attacks, the next spell you cast this turn has convoke.

As Fortified Village enters, you may reveal a Forest or Plains card from your hand. If you don't, Fortified Village enters tapped.

: Add or .

: Add .

: Roll the planar die. Activate only as a sorcery.

As Frostboil Snarl enters, you may reveal an Island or Mountain card from your hand. If you don't, Frostboil Snarl enters tapped.

: Add or .

As Game Trail enters, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters tapped.

: Add or .

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Tap two untapped artifacts you control: Ghirapur Aether Grid deals 1 damage to any target.

Artifact creatures you control have trample.

At the beginning of your end step, create a 0/0 red Gremlin artifact creature token. Put X +1/+1 counters on it, where X is the number of differently named artifact tokens you control.

When Goblin Instigator enters, create a 1/1 red Goblin creature token.

Goldmire Bridge enters tapped.

Indestructible

: Add or .

Whenever one or more creatures you control that entered this turn deal combat damage to a player, create a 5/5 red Dragon Spirit creature token with flying.

: Creatures you control gain haste until end of turn.

, : Add .

Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

: Add for each +1/+1 counter on Gyre Sage.

This spell costs less to cast for each creature you control with a +1/+1 counter on it.

Creature spells you cast cost less to cast for each creature you control with a +1/+1 counter on it.

: Add .

, , Sacrifice this artifact: Draw two cards.

Flying, haste

: Hellkite Igniter gets +X/+0 until end of turn, where X is the number of artifacts you control.

As Herald's Horn enters, choose a creature type.

Creature spells you cast of the chosen type cost less to cast.

At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

Flying

High Sentinels of Arashin gets +1/+1 for each other creature you control with a +1/+1 counter on it.

: Put a +1/+1 counter on target creature.

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.)

Destroy all nontoken creatures.

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Whenever you draw your second card each turn, create a 1/1 blue Faerie creature token with flying.

: Draw a card, then discard a card.

Flying, trample

Skip your draw step.

Whenever you play a land or cast a spell, you draw a card and you lose 1 life.

Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

, Remove a +1/+1 counter or a charge counter from a permanent you control: Ion Storm deals 2 damage to any target.

Kicker (You may pay an additional as you cast this spell.)

Menace

When Josu Vess, Lich Knight enters, if it was kicked, create eight 2/2 black Zombie Knight creature tokens with menace.

Whenever another creature you control enters, put a +1/+1 counter on that creature and a +1/+1 counter on Juniper Order Ranger.

Trample

Kalonian Hydra enters with four +1/+1 counters on it.

Whenever Kalonian Hydra attacks, double the number of +1/+1 counters on each creature you control.

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.)

Flying, vigilance, haste

Whenever you cast another spell that has convoke, scry 2, then draw a card.

At the beginning of each opponent's end step, if that player controls more creatures than you, create a 1/1 white Soldier creature token.

At the beginning of each opponent's end step, if that player controls more lands than you, you may search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

: Add .

, : Target creature gets +X/+0 and gains trample until end of turn.

First strike (This creature deals combat damage before creatures without first strike.)

Other Knight creatures you control get +1/+1 and have indestructible. (Damage and effects that say "destroy" don't destroy them.)

First strike

When Knight of the White Orchid enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.

When Knights of the Black Rose enters, you become the monarch.

Whenever an opponent becomes the monarch, if you were the monarch as the turn began, that player loses 2 life and you gain 2 life.

Whenever Krenko, Tin Street Kingpin attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko's power.

Flying

Whenever you cast a noncreature spell, create a 1/1 white Spirit creature token with flying.

Sacrifice a Spirit: Add .

Enchant planeswalker

Enchanted planeswalker has "−8: Put all creature cards from all graveyards onto the battlefield under your control."

Whenever a creature deals damage to enchanted planeswalker, destroy that creature.

Menace

Whenever a nontoken Knight you control dies, each opponent loses 1 life and you draw a card.

When this creature enters, creatures your opponents control get -2/-2 until end of turn.

Whenever a creature an opponent controls dies, that player loses 2 life.

When Master Splicer enters, create a 3/3 colorless Phyrexian Golem artifact creature token.

Golems you control get +1/+1.

When Maul of the Skyclaves enters, attach it to target creature you control.

Equipped creature gets +2/+2 and has flying and first strike.(It deals combat damage before creatures without first strike.)

Equip

When this creature enters, destroy target nonland permanent an opponent controls.

Create four 1/1 white Bird creature tokens with flying.

Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

: Add .

, , Sacrifice Mind Stone: Draw a card.

Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)

Whenever this creature attacks, for each attacking modified creature you control, create a tapped and attacking token that's a copy of that creature. Exile those tokens at end of combat. (Equipment, Auras you control, and counters are modifications.)

Flying

Whenever you cast a historic spell, return target nonland permanent card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step. If it would leave the battlefield, exile it instead of putting it anywhere else. (Artifacts, legendaries, and Sagas are historic.)

, : Add .

Lifelink

When Murderous Rider dies, put it on the bottom of its owner's library.

Myriad Landscape enters tapped.

: Add .

, , Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Whenever you draw a card, you may pay . If you do, put a +1/+1 counter on Nadir Kraken and create a 1/1 blue Tentacle creature token.