OK, Lets Make This Clear, Once And For All

Ok, let's make this clear...

Almost everyone that I've played in Magic gets confused about the abilities. Here are the REAL rules (If you want to know more, click on the blue words next to the words main article and you will be able to know more about the ability):

Deathtouch

Deathtouch is a static ability that means: any amount of damage dealt by a source with deathtouch is enough to kill the creature receiving the damage, no matter how low the damage is.

Main article: Deathtouch

Defender

This creature cannot attack.

Main article: Defender

Double Strike

A creature with double strike deals damage during the first combat damage step alongside creatures with first strike, then additionally deal damage during the second damage step along with regular creatures.

Main article: Double Strike

Enchant

Enchant {target} is a static ability found on Auras which defines what they can enchant. The keyword is written with a quality after it (e.g. Enchant creature) which defines what the aura can enchant.

Main article: Enchant

Equip

Equipping is to attach a piece of Artifact Equipment to a creature, buffering it or giving it an extra ability.

Main article: Equip

First Strike

First strike is a static ability that creates an additional combat damage step. A creature with first strike will deal its combat damage before a creature that doesn't.

Main article: First Strike

Flash

Flash is a static ability that allows the affected card to be cast at any time you could cast an instant.

Main article: Flash (keyword)

Flying

Creatures with the static ability Flying cannot be blocked except by other creatures with either flying or creatures with the static ability Reach. Creatures with flying can block other creatures with or without flying.

Main article: Flying

Haste

Haste is a static ability that allows creatures to ignore the affliction informally known as "Summoning Sickness". This means that they can attack and use activated abilities with the tap symbol on the same turn they enter the battlefield.

Main article: Haste

Hexproof

Hexproof is a static ability that causes the affected permanent to be unable to be targeted by spells or abilities your opponents control. Permanents with hexproof can still be targeted by spells or abilities you control.

Main article: Hexproof

Indestructible

Indestructible is a keyword ability that means that any permanent that has indestructible cannot be destroyed, and cannot die as a result of lethal damage.

Main article: Indestructible

Intimidate

Intimidate is a static ability which restricts the types of creatures that can block a creature with intimidate. A creature with intimidate can't be blocked, except by artifact creatures and by creatures that share a color with it.

Main article: Intimidate

Landwalk

Landwalk is a static ability that means the affected creature cannot be blocked as long as the defending player controls a land of the specified type.

Main article: Landwalk

Lifelink

Lifelink is a static ability that modifies the result of damage. When a card with lifelink deals damage, the controller of that card also gains an amount of life equal to the amount of damage dealt.

Main article: Lifelink (keyword)

Protection

Protection is a static ability which grants the affected permanent the inability to be dealt damage, enchanted, blocked, or targeted by any card with the stated quality.

Main article: Protection

Reach

Reach is a static ability that means the affected creature can block creatures with flying.

Main article: Reach

Shroud

Shroud is a static ability that means the affected permanent or player cannot be the target of any spells or abilities, including your own.

Main article: Shroud

Trample

Trample is a static ability of creatures that when attacking, allows it to assign the remaining damage not taken by creatures blocking it to the defending player.

Main article: Trample

Vigilance

Vigilance is a static ability that means the affected creature does not tap once declared as an attacker.

Main article: Vigilance