Khans of Tarkir had a Prowess theme which went well with Goblinslide, but Goblinslide was a pretty lousy card unless you dedicated your draft to making it function
(To collect evidence 3, exile cards with total mana value 3 or greater from your graveyard.) Whatever broke out of here is at least half bear and Id say some lizard as well. 2/3 Illustrated by Borja Pindado Standard Legal Alchemy Not Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
If this Pokmon has at least 3 extra [Y] Energy attached to it (in addition to this attacks cost), your opponent shuffles their hand into their deck
Rock - Possibly related to the phrase Kill two birds with one stone. Birds are also very lightweight, so rocks can easily weigh them down
Land cards are what allow you to cast spells each turn by providing mana, but you can typically only put one down each turn
They help prevent bending, surface marks, and pressure damage that can affect card condition