Saprazzan Heir

Whenever Saprazzan Heir becomes blocked, you may draw three cards.

Lonely Sandbar

Lonely Sandbar enters tapped.
{T}: Add {U}.
Cycling {U} ({U}, Discard this card: Draw a card.)

Zephyr Falcon

Sandbar Merfolk

Cycling {2} ({2}, Discard this card: Draw a card.)

Island

Indentured Djinn

Flying
When Indentured Djinn enters, each other player may draw up to three cards.

Force Spike

Counter target spell unless its controller pays {1}.

Boomerang

Return target permanent to its owner's hand.

Shadow Rift

Target creature gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)
Draw a card.

Mana Short

Tap all lands target player controls and that player loses all unspent mana.

Unstable Mutation

Enchant creature
Enchanted creature gets +3/+3.
At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature.

Cloud Sprite

Flying (This creature can't be blocked except by creatures with flying or reach.)
Cloud Sprite can block only creatures with flying.