Oblivion Stone

Devoid (This card has no color.) When you cast this spell, exile target artifact, enchantment, or land. Reach 2C, Sacrifice a land: Return this card from your graveyard to your hand. (C represents colorless mana.)

This land enters tapped. T: Add C. (C represents colorless mana.) T: Put a +1/+1 counter on target colorless creature that entered this turn.

T: Add C. (C represents colorless mana.) T, Pay 1 life: Add one mana of any color. Spend this mana only to cast a spell with devoid.

Devoid (This card has no color.) Whenever a creature you control deals combat damage to a player, you may draw a card. 3C: Target creature can't be blocked this turn. (C represents colorless mana.)

Scry X, where X is the greatest mana value among permanents you control, then draw three cards.

Whenever you sacrifice a Desert and whenever a Desert card is put into your graveyard from your hand or library, put that card onto the battlefield under your control at the beginning of your next end step. At the beginning of combat on your turn, if you control five or more Deserts, create that many 1/1 red, green, and white Sand Warrior creature tokens. They gain haste.

Whenever you sacrifice a Desert and whenever a Desert card is put into your graveyard from your hand or library, put that card onto the battlefield under your control at the beginning of your next end step. At the beginning of combat on your turn, if you control five or more Deserts, create that many 1/1 red, green, and white Sand Warrior creature tokens. They gain haste.

When this enchantment enters, mill ten cards. At the beginning of your upkeep, choose a card at random in your graveyard. If it's a creature card, put it onto the battlefield. Otherwise, put it into your hand.