Thundermare [Weatherlight] Phenomenon and the land itself went

and the land itself went mad

Set: Chronicles Type: Enchantment Rarity: Rare Cost: {2}{R} Nonbasic lands are Mountains

Set: Alara Reborn Type: Artifact Rarity: Rare Cost: {U}{B} {T}

Set: Ixalan Type: Legendary Creature — Merfolk Shaman Rarity: Mythic Cost: {5}{G}{U} Tishana

Set: Eldritch Moon Type: Enchantment Rarity: Mythic Cost: {5}{U}{U} Whenever an opponent casts their first spell each turn

Thundermare [Weatherlight] Phenomenon and the land itself wentSet: Weatherlight Type: Creature Elemental Horse Rarity: Rare Cost: {5}{R} Haste (This creature can attack and {T} as soon as it comes under your control.) When Thundermare enters the battlefield, tap all other creatures. Its hooves strike lightning and the thunder follows quickly after.