Chambered Nautilus [Mercadian Masques]

Chambered Nautilus [Mercadian Masques]Set: Mercadian Masques Type: Creature Nautilus Beast Rarity: Uncommon Cost: {2}{U} Whenever Chambered Nautilus becomes blocked, you may draw a card. What's merely a home for the nautilus can become exquisite jewelry in the hands of Saprazzan artisans.

But where is the source

" —*Song of All*

return Sand Golem from your graveyard to the battlefield with a +1/+1 counter on it at the beginning of the next end step

Set: Arena League 2004 Type: Sorcery Rarity: Rare Cost: {U} Draw a card

You may put that card onto the battlefield tapped if you control a land named Wastes

No ancient lore ties the pirates of the Brazen Coalition to the Immortal Sun

"By the tongues of a thousand serpents

" —Bowen

Set: Fate Reforged Promos Type: Creature — Human Warrior Rarity: Rare Cost: {3}{W} At the beginning of your end step

Set: Mercadian Masques Type: Enchantment Rarity: Rare Cost: {2}{G} Exile a creature you control: Add X mana of any one color

an inherent understanding of how systems work

Set: Portal Three Kingdoms Type: Sorcery Rarity: Uncommon Cost: {2}{G} Search your library for a Plains