Hearthstone mechanics

Must be attacked before heroes.

Can't be targeted before it attacks.

Can attack immediately.

Prevent the first time it takes damage.

Does something when you play it from your hand.

Does something when it dies.

Triggers if you played another card this turn.

Can't be interacted with by either players.

Can't be interacted with by your opponent.

Choose one of two options.

Choose one of three cards to put in your hand.

The character skips its next attack.

Gains life for each damage dealt.

Destroys any minion it damages.

Triggers when played from left or right most position in hand.

You have less mana next turn.

Can attack minions immediately.

Hidden from opponent until triggered.

Removes all text from a card.

Can attack twice per turn.

Your spells deal more damage.

Can attack four times a turn.

Choose one of three upgrades for a minion.

Comes in with extra appendages when summoned.

Gains an additional effect when you play a card that costs more.

Pick one of three cards at the bottom of your deck to put on top.

Can play unlimited times in a turn; copies can't cost less than 1 mana.

Triggers the first time it takes damage.

Triggers when dealing exact lethal damage

Triggers when a specified amount of minions die while in your hand.

Triggers when using your hero power.

Triggers your Galakrond's Hero power and improves him if you do it enough times.

Generated 1 cost minions with battlecries.

When placed to the left of a mech, it adds all stats and text to it.

Triggers when dealing excess damage to a source.

1 mana spell card that starts in your hand. Finish its conditions to get the reward!

1 mana spell that starts in your hand. Finish its condition to get the reward and the next condition, up to three times.

First time the minion dies, return it with 1 health.

Put onto the battlefield from your deck.

Spell that doesn't automatically start in your hand. Finish the condition to get the reward!

Triggers after the first time you cast a spell.

You can spend 1 mana and drag this into your deck to shuffle and draw a card.

You can cast these spells twice.

1 mana spells with minor benefits.

Each one summoned is +1+1 bigger than the last.

Adds a 2 mana card to your opponents hand that damages them on their turn for two turns in a row. Deals more damage each time.

Triggers after x friendly minions die. Battlegrounds only.

Start of your turn, add a spell to your hand. Battlegrounds only.

If this card is in your deck, you are a specific class. Duels only.

Hero power must be used if able. Solo/Tavern brawl only.