The immediate benefit can be good, but its value really lies in the freedom to plan your turns around alternating between Kayas first two abilities to buff your tokens with a +1/+1 counter plus deathtouch (a relatively rare ability among tokens), and doubling the number of tokens you create
If we assume most opponents will actively avoid discarding their key threats, then our mindset must switch from answering those specific cards to answering the opponents gameplan as a whole
The first goal is to overwhelm your opponents with cards like Bruvac the Grandiloquent and Bonehoard and mill them out
As amazing as Gisela is, I have trouble imagining competitive decks bothering with Bruna, but that's fine: That pair serves Timmy and casual formats
But now with Rules Lawyer, things are gonna get messy
Rarity : Rare Cost : N/A Colour Identity : Colourless Usage : Late game this land just accelerates your mana fixing and game play by letting you get that key basic land you want