Sunseed Twin

If this card is Normal or Special Summoned while you control a "Sunavalon" Link Monster: You can target 1 Level 4 or lower Plant Normal Monster in your GY; Special Summon it. You can banish this card in your GY and 1 Link Monster you control; if you have 2 or more Plant Link Monsters with the same name as each other in your GY, Special Summon 1 of them. You can only use each effect of "Sunseed Twin" once per turn.