Experimental Frenzy [Guilds of Ravnica] Invasion Goblin Rock Sled can't attack

Goblin Rock Sled can't attack unless defending player controls a Mountain

Set: Planar Chaos Type: Instant Rarity: Rare Cost: {1}{B} Change the target of target spell with a single target

its owner puts it on the top or bottom of their library

It's hard to be humble when the whole world is bite size

The boot prints became paw prints

Experimental Frenzy [Guilds of Ravnica] Invasion Goblin Rock Sled can't attackSet: Guilds of Ravnica Type: Enchantment Rarity: Rare Cost: {3}{R} You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. You can't play lands or cast spells from your hand. {3}{R}: Destroy Experimental Frenzy. Turns out coffee is the weird aunt of invention.