Tradewind Rider

Flying
{T}, Tap two untapped creatures you control: Return target permanent to its owner's hand.

Mana Leak

Counter target spell unless its controller pays {3}.

Blink of an Eye

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.)
Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.

Giant Growth

Target creature gets +3/+3 until end of turn.

Island

Wall of Blossoms

Defender
When Wall of Blossoms enters, draw a card.

Verdant Force

At the beginning of each upkeep, create a 1/1 green Saproling creature token.

Man-o'-War

When Man-o'-War enters, return target creature to its owner's hand.

Llanowar Elves

Birds of Paradise

Intruder Alarm

Creatures don't untap during their controllers' untap steps.
Whenever a creature enters, untap all creatures.

Forest

Llanowar Sentinel

When Llanowar Sentinel enters, you may pay {1}{G}. If you do, search your library for a card named Llanowar Sentinel, put that card onto the battlefield, then shuffle.

Breeding Pool

({T}: Add {G} or {U}.)
As Breeding Pool enters, you may pay 2 life. If you don't, it enters tapped.