You gain 3 life for each creature attacking you.

Enchant creature
Enchanted creature can't attack or block.

Counter target spell unless its controller pays .

Destroy target artifact or enchantment.

Target creature gets +4/+4 until end of turn.

: Target attacking creature gets -1/-0 until end of turn.

: Prevent the next 1 damage that would be dealt to any target this turn.

: The next time a black source of your choice would deal damage to you this turn, prevent that damage.

Counter target instant spell.

Whenever a spell or ability an opponent controls causes a land to be put into your graveyard from the battlefield, return that card to the battlefield.

, : Target player mills two cards.

This creature can't block.

This artifact enters tapped.
: Add one mana of any color that a basic land you control could produce.

Return target permanent to its owner's hand.

When this creature enters, target opponent discards a card.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Swarm of Rats's power is equal to the number of Rats you control.

Creature spells can't be countered.

Enchant creature
Enchanted creature can't be blocked except by Walls.

Flying
This creature can't block.

Volcanic Hammer deals 3 damage to any target.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

, Sacrifice an artifact: Draw a card.

: This creature deals 1 damage to target attacking or blocking creature.

Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Flying
: Target attacking or blocking creature gets +1/+1 until end of turn.

Vicious Hunger deals 2 damage to target creature and you gain 2 life.

Reach (This creature can block creatures with flying.)

Defender (This creature can't attack.)
: Add .

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Prevent all damage that would be dealt this turn to up to two target creatures.