Battles enter the battlefield with a number of 'defense counters' which work just like loyalty counters, and they go to the graveyard when their defense is depleted
Those wont be as relevant to us, but as well discuss, if a foil hits it big (Expressive Iteration, Im looking at you!) suddenly thats a very relevant number
Sol Ring If youre even the slightest bit familiar with this card, it shouldnt surprise you that Sol Ring is among some of the best colorless cards MTG has ever produced, as its basically the gold standard for acceleration
This red instant combines efficient, instant speed removal with a discard outlet, often letting you cast a madness card
Evolving Pokmon: If you have an evolved form in your hand (Stage 1 or Stage 2), you can place it on top of a corresponding Basic or Stage 1 Pokmon