Gwent : Originating from The Witcher series, Gwent is a digital collectible card game that emphasizes strategic deck-building and tactical play
It's the cheapest to drop if you can't fulfill anything of its cost reducers in the moment, and it's a strong card
Usually you wont need that, but you can also use it to draw cards, if you already have access to plenty of mana
It is a static keyword ability that allows a creature to deal damage twice, once as first strike damage and then again as regular combat damage
Its also good as a damage-enabler enchantment in a red burn deck like Solphim, Mayhem Dominus as long as you can get the revolt trigger
One good example is Rydia, Summoner of Mist, which lets you discard a card to draw a new one each time you play a land