yugioh playmaker deck YGOrganization Playmaker Deck | eBay

In decks with 3+ colors with +1/+1 counter synergies, it will be fairly easy to put three or four +1/+1 counters on a creature each turn, and you should really have a good double strike or lifelink creature around to benefit from the extra counters

Only if they target your opponent or their permanents

However, this game has many cards with unique character and ability

Goblin Lackey is the most dangerous goblin in the game, and the reason that goblins are still decent in Legacy

As expected for a Stellar Tera Pokemon ex, Glaceon ex possesses an overpowered move called Euclase, where it knocks out an opposing Active Pokemon, albeit on the condition that it has exactly six damage counters

Other than specific cards that have "Trample Over Planeswalkers", you won't take any excess damage dealt to a Planeswalker