There are 12 known planeswalkers.
Ajani Goldmane
Chandra Nalaar
Elspeth Tirel
Garruk Wildspeaker
Gideon Jura
Jace Beleren
Liliana Vess
Nicol Bolas
Nissa Revane
Sarkhan Vol
Sorin Markov
Tezzeret the Seeker
There are 16 Planeswalker cards.
Ajani Goldmane
Ajani Vengeant
Chandra Ablaze
Chandra Nalaar
Elspeth, Knight-Errant
Garruk Wildspeaker
Gideon Jura
Jace Beleren
Jace, the Mind Sculptor
Liliana Vess
Nicol Bolas, Planeswalker
Nissa Revane
Sarkhan the Mad
Sarkhan Vol
Sorin Markov
Tezzeret the Seeker
It depends on the card and the circumstances, but in many cases yes. Planeswalkers are always very good.
In a typical deck, players usually include 1 to 3 planeswalkers.
No, not all planeswalkers are legendary.
I presume that you mean set blocks? Zendikar Block has 6 Planeswalkers Lorwyn Block has 5 Planeswalkers Alara Block has 5 Planeswalkers M10 has 5 Planeswalkers (these are reprints of the Lorwyn Planeswalkers) The best planeswalkers are found in Zendikar Block: Gideon Jura, Jace 2.0, Nissa Revane and Sarkhan the Mad
Yes, planeswalkers do not have haste when they enter the battlefield.
To effectively target planeswalkers with spells in Magic: The Gathering, you can use spells that specifically target planeswalkers or spells that deal damage to any target. Additionally, you can use creatures with abilities that can target planeswalkers or use cards that can redirect damage to planeswalkers. It's important to have a diverse range of spells and strategies to effectively target planeswalkers in the game.
No, lifelink does not work on planeswalkers in Magic: The Gathering.
Yes, planeswalkers are considered legendary in Magic: The Gathering.
Yes, planeswalkers are considered permanents in Magic: The Gathering.
Yes, planeswalkers are considered legendary in Magic: The Gathering.
Yes, all planeswalkers in Magic: The Gathering are considered legendary.
No, planeswalkers cannot use their abilities on the first turn of the game.