Astral Slide [Friday Night Magic 2006] Avatar If you sacrifice an Island

If you sacrifice an Island this way

{T}: Double the amount of each type of unspent mana you have

When Combustible Gearhulk enters the battlefield

Set: From the Vault: Legends Type: Legendary Creature — Elemental Rarity: Mythic Cost: {2}{G} You don't lose unspent green mana as steps and phases end

Then shuffle

Astral Slide [Friday Night Magic 2006] Avatar If you sacrifice an IslandSet: Friday Night Magic 2006 Type: Enchantment Rarity: Rare Cost: {2}{W} Whenever a player cycles a card, you may exile target creature. If you do, return that card to the battlefield under its owner's control at the beginning of the next end step. "The hum of the universe is never off key." Mystic elder