Flying
When another creature enters, return this creature to its owner's hand.

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay ."

Whenever this creature becomes blocked, prevent all combat damage that would be dealt by it this turn.

At the beginning of each player's upkeep, this artifact deals 1 damage to that player.
: Prevent the next 1 damage that would be dealt by this artifact this turn.

Enchant creature
When enchanted creature dies, return that card to the battlefield under your control.

Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.

If an opponent controls an Island and you control a Forest, you may cast this spell without paying its mana cost.

White creatures and blue creatures can't block.

Whenever this creature becomes blocked, you may draw a card.

: This creature gets +1/+1 until end of turn. Any player may activate this ability.
: This creature gets -1/-1 until end of turn. Any player may activate this ability.

Each attacking creature gets +1/+0 until end of turn for each nonbasic land defending player controls.

: This turn, creatures can't block unless their controller pays for each blocking creature they control.

When this creature enters, you may return target Mercenary card from your graveyard to your hand.

If an opponent controls a Swamp and you control a Plains, you may cast this spell without paying its mana cost.
Protection from black

Red creature spells and green creature spells cost more to cast.

Enchant creature
All creatures able to block enchanted creature do so.

Flying
When this creature enters, each other player may draw up to three cards.

Creatures played by your opponents enter tapped.

Whenever a creature blocks a black or red creature, the blocking creature gets +1/+1 until end of turn.

: Put target creature card from your graveyard on top of your library.

Destroy target creature. It can't be regenerated. Its controller creates a 1/1 white Spirit creature token with flying.

Flying
Whenever this creature deals combat damage to a player, you may destroy target artifact that player controls.

, Sacrifice a Goblin: This creature deals 4 damage to target creature.

Whenever a creature dies, you gain 1 life.

Until end of turn, all creatures gain ": Tap target creature."

Destroy target land.

, : This creature deals X damage to target attacking or blocking creature.

If an opponent controls a Forest and you control a Swamp, you may cast this spell without paying its mana cost.
: This creature gets +1/+1 until end of turn.

: This creature deals 1 damage to each creature with flying and each player. Any player may activate this ability.

, , Sacrifice this creature: It deals X damage to any target.

Whenever a creature you control deals combat damage to an opponent, you may draw a card.

: Target creature gains protection from the color of its controller's choice until end of turn. Any player may activate this ability.

When this creature enters, each other player may put a creature card from their hand onto the battlefield.

: This creature deals 1 damage to each creature without flying and each player. Any player may activate this ability.

When this creature enters, each other player may search their library for a land card and put that card onto the battlefield. Then each player who searched their library this way shuffles.

Defender (This creature can't attack.)
: Target creature gets +0/+4 until end of turn.