First on my (alphabetically ordered) list is the card Alms, illustrated by Rogrio Vilela
The very best tip I can give you , is any time you draw a card that's useless (actually useless, not you'd rather save it or its too risky or costly to use, but you actually can't play the card at that moment due to its cost being impossible to fulfill), think about how many times you've used that card, versus how many times you didn't want to draw it
While it doesnt have any triggers when dealing combat damage to a player (unlike other swords such as Sword of Fire and Ice), The Masamune supplies an additional benefit: If a creature dying causes a triggered ability of this creature or an emblem you own to trigger, that ability triggers an additional time. That was rather wordy, so its worth noting a few things: 1
For each heads, discard the top 3 cards of your opponent's deck
Knowing the right time to play these Pokmon will be key to your new strategies
Theyre cheap and/or affect the battlefield with evasion