Magic : The Gathering is a game of resources, and managing these resources--life, time, mana, and cards--is key to success
The last two days have been packed to the brim with incredible new cards, including great tools for both serious constructed play and casual Commander tables
Explorer is one clear example of a game mode in which players are asking (or, well, yelling may be a more accurate term, although some are resorting to humor) for more cards there's even a Support Ticket on the topic, with a lot of upvotes
This is a card that lets you cast an instant or sorcery with a mana value equal to or less than Dreadhorde Arcanist's power
Assuming it is ever found, and not tragically dumped in a landfill
Vayne's Treachery also shines here