Sleight of Mind [Alpha Edition] Vampire Ally Whenever you cast an Eldrazi

Whenever you cast an Eldrazi creature spell with mana value 7 or greater

it produces {B} instead of any other type and amount

Set: Legends Type: Creature — Insect Rarity: Rare Cost: {2}{B}{B} {1}: Carrion Ants gets +1/+1 until end of turn

Set: Alpha Edition Type: Artifact Rarity: Uncommon Cost: {1} Whenever a player casts a green spell

Set: Beta Edition Type: Enchantment — Aura Rarity: Rare Cost: {1}{G}{G} Enchant land

Sleight of Mind [Alpha Edition] Vampire Ally Whenever you cast an EldraziSet: Alpha Edition Type: Instant Rarity: Rare Cost: {U} Change the text of target spell or permanent by replacing all instances of one color word with another. (For example, you may change "target black spell" to "target blue spell." This effect lasts indefinitely.)