Magical Hack [Alpha Edition] XY134 Roar of the World is

Roar of the World is in the command zone or on the battlefield

Jetmir's Garden enters the battlefield tapped

Set: The Lord of the Rings: Tales of Middle-Earth Prerelease Promos Type: Enchantment Rarity: Mythic Cost: {4}{U}{U} Ward {3}

Kefnet the Mindful can't attack or block unless you have seven or more cards in hand

Target creature defending player controls can block any number of creatures this turn

Magical Hack [Alpha Edition] XY134 Roar of the World isSet: Alpha Edition Type: Instant Rarity: Rare Cost: {U} Change the text of target spell or permanent by replacing all instances of one basic land type with another. (For example, you may change "swampwalk" to "plainswalk." This effect lasts indefinitely.)