Circling Vultures

Flying
You may discard Circling Vultures any time you could cast an instant.
At the beginning of your upkeep, sacrifice Circling Vultures unless you exile the top creature card of your graveyard.

Swamp

Flux

Each player discards any number of cards, then draws that many cards.
Draw a card.

Relearn

Return target instant or sorcery card from your graveyard to your hand.

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.

Plains

Dakkon Blackblade

Dakkon Blackblade's power and toughness are each equal to the number of lands you control.

Island

Abduction

Enchant creature
When Abduction enters, untap enchanted creature.
You control enchanted creature.
When enchanted creature dies, return that card to the battlefield under its owner's control.