Whenever another permanent you control enters, each opponent mills a card.

Whenever a creature you control enters, you may have this artifact become a 3/3 white Angel artifact creature with flying until end of turn.

Legendary creatures don't untap during their controllers' untap steps. When this artifact enters, tap all legendary creatures.

Whenever a nonartifact permanent you control enters, you may return another permanent you control that shares a permanent type with it to its owner's hand.

Whenever a nontoken creature enters, if this artifact is untapped, that creature's controller creates a 1/1 colorless Myr artifact creature token.

Equipped creature gets +3/+2. Whenever a legendary creature you control enters, you may attach this Equipment to it. Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.)

Whenever a creature enters, if it was cast, exile it, then return all other permanent cards exiled with this artifact to the battlefield under their owners' control.

Equipped creature gets +2/+1 and has haste. Whenever a Warrior creature enters, you may attach this Equipment to it. Equip {3}

If an artifact or creature entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Equipped creature gets +2/+1. Whenever a creature you control enters, attach this Equipment to that creature. Equip {5} ({5}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature gets +1/+1. Whenever a creature you control enters, you may attach this Equipment to it. Equip {2}

Equipped creature gets +1/+1. Whenever a creature you control enters, you may attach this Equipment to it. Equip {2}

This artifact enters with a page counter on it. Whenever your commander enters or attacks, put a page counter on this artifact. {1}, {T}, Remove a page counter from this artifact: Draw a card.

Whenever another creature enters, you may put X +1/+1 counters on this creature, where X is that creature's power.

Indestructible As long as your devotion to red is less than five, Purphoros isn't a creature. Whenever another creature you control enters, Purphoros deals 2 damage to each opponent. {2}{R}: Creatures you control get +1/+0 until end of turn.

Alliance — Whenever another creature you control enters, create a Treasure token if this is the first or second time this ability has resolved this turn. Otherwise, you may pay {X}. When you do, this creature deals X damage to any target.

You may cast this card from your graveyard or from exile.

Flying Spells your opponents cast that target this creature cost an additional 3 life to cast. Whenever another creature you control enters, this creature deals damage equal to that creature's power to any target.

When this enchantment enters, each opponent gains 10 life. Whenever you cast an instant or sorcery spell, put a verse counter on this enchantment, then it deals damage equal to the number of verse counters on it to target player or planeswalker.

As this enchantment enters, choose odd or even. (Zero is even.) Each creature with mana value of the chosen quality has haste. Each creature without mana value of the chosen quality enters tapped.

Whenever an artifact, creature, or enchantment enters, its controller chooses target permanent another player controls that shares a card type with it. Exchange control of those permanents.

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

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

As this enchantment enters, choose Khans or Dragons. • Khans — At the beginning of your upkeep, exile the top card of your library. Until end of turn, you may play that card. • Dragons — Whenever a creature you control leaves the battlefield, this enchantment deals 1 damage to any target.

Whenever a creature enters, that creature's controller may have it deal damage equal to its power to any target of their choice.

Whenever a Human you control enters, this enchantment deals 1 damage to any target.