Razorgrass Ambush [MH3 - 238] Vintage Add one mana of that

Add one mana of that color for each charge counter on Astral Cornucopia

Have I that right

If it's controller has more than four cards in hand

follow a bird

Flavor: “I am simply myself

Razorgrass Ambush [MH3 - 238] Vintage Add one mana of thatRarity: U #: 238 Creature Type or Sub Type: Instant Land Rules Text Contains: Razorgrass Ambush deals 3 damage to target attacking or blocking creature. Razorgrass Field As Razorgrass Field enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped. T: Add W. Flavor: When disturbed, razorgrass skewers unwary intruders in violent, jingling bursts. Leonin hide their dwellings within the Razor Fields, making approach