Those strategies are cards that gain value from discarding (especially lands), cards that can allow you to play many lands, landfall, and cards with leaves the graveyard triggers
[Fighting][Fighting] Spinning Kick 90 This Pokemon does 30 damage to itself
In this case, because your life total also can't change, that damage has any other effects that it may have aside from causing you to lose that much life (such as effects from lifelink or infect) and triggers and effects can see that damage was dealt even though your life total didn't change
At 140 HP and with the Bonemerang attack, it can hit for as much as 160 , with the added element of unpredictability in the flipping of coins
Pre-combat main phase: This is your opportunity to play a Land card, and use your Mana to summon Creatures or cast other spells, Combat phase: Its time for combat
Considering the relatively significant gap between first and second place, it's unlikely that this card will be usurped anytime soon, and with good reason, as it features another superbly detailed artwork