Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

Legendary creatures you control get +2/+1 and have ward {1}. Nonlegendary creatures you control get +1/+1.

Whenever another creature enters the battlefield under your control, creatures you control get +1/+1 until end of turn.

Creatures you control get +1/+1. {5}{W}: Exile target nonland permanent you don't control until In the Trenches leaves the battlefield. Activate only as a sorcery and only once.

Changeling (This card is every creature type.) {X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

This spell costs {1} less to cast for each creature you control. Vigilance

Flying Toxic 1 {B}: Blightwing Whelp gains haste until end of turn. Whenever Blightwing Whelp deals combat damage to a player, seek a card with mana value equal to the number of poison counters that player has.

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is Esper Sentinel's power.

At the beginning of combat on your turn, choose one that wasn't chosen during your last combat — • Up to one target Soldier perpetually gets +1/+1 and gains flying. • Choose a Soldier card in your hand. It perpetually gets +1/+1 and gains vigilance. • Create a 1/1 colorless Soldier artifact creature token.

Enchant creature Enchanted creature has "Whenever this creature attacks alone, it gets +X/+X until end of turn, where X is the number of nonland permanents you control."

Flying Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When Flensing Raptor enters the battlefield, another target creature you control with toxic gets +1/+1 and gains flying until end of turn.

Double strike Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {B}: Skithiryx, the Blight Dragon gains haste until end of turn. {B}{B}: Regenerate Skithiryx.

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

{T}: Add {G} for each creature you control.

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life. {T}: Add {C}. {4}, {T}, Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

{T}: Add {G}. {T}: Target 1/1 creature gets +1/+2 until end of turn.

Trample Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Whenever Bloated Contaminator deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When Contagion Engine enters the battlefield, put a -1/-1 counter on each creature target player controls. {4}, {T}: Proliferate, then proliferate again. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Creatures you control gain flying, vigilance, and double strike until end of turn. • Creatures you control gain lifelink, indestructible, and protection from all colors until end of turn.

If you control a commander, you may cast this spell without paying its mana cost. Creatures you control gain indestructible until end of turn.

Whenever a creature you control attacks alone, it gets +X/+X until end of turn, where X is the number of creatures you control.

Flying Whenever another creature with power 2 or less enters the battlefield under your control, put two +1/+1 counters on that creature.

As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery. Spells you cast of the chosen type cost {1} less to cast.

White spells you cast cost {1} less to cast. Blue spells you cast cost {1} less to cast. Spells your opponents cast cost {1} more to cast.

Spells cost {1} less to cast.

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Metalcraft — {T}: Add one mana of any color. Activate only if you control three or more artifacts.

Target creature gets -4/-4 until end of turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

As long as it's your turn, Gideon Blackblade is a 4/4 Human Soldier creature with indestructible that's still a planeswalker. Prevent all damage that would be dealt to Gideon Blackblade during your turn. +1: Up to one other target creature you control gains your choice of vigilance, lifelink, or indestructible until end of turn. −6: Exile target nonland permanent.

Target creature you control deals damage equal to its power to target creature you don't control. Each opponent gets a poison counter.

Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) Target creature you control fights up to one target creature you don't control.

+1: Create a 1/1 white Soldier creature token with lifelink. −2: Put two +1/+1 counters on target creature. It becomes an Angel in addition to its other types and gains flying. −6: Return all nonland permanent cards with mana value 3 or less from your graveyard to the battlefield.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When Crawling Chorus dies, create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block."

Whenever you're dealt damage, you may create that many 1/1 white Soldier creature tokens.

Create X 1/1 white Soldier creature tokens, where X is the number of creatures on the battlefield.

Soldier creatures have vigilance. {2}{W}: Create a 1/1 white Soldier creature token.

Create a 1/1 white Kor Soldier creature token for each creature you control. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

At the beginning of your upkeep, you lose 1 life and create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block." Corrupted — As long as an opponent has three or more poison counters, creatures you control with toxic have lifelink.

At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice Defense of the Heart, search your library for up to two creature cards, put those cards onto the battlefield, then shuffle.