Beast Whisperer

Whenever you cast a creature spell, draw a card.

Phyrexian Walker

Aura Shards

Whenever a creature you control enters, you may destroy target artifact or enchantment.

Whitemane Lion

Flash
When Whitemane Lion enters, return a creature you control to its owner's hand.

Ornithopter of Paradise

Mana Leak

Counter target spell unless its controller pays {3}.

Kodama's Reach

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Counterspell

Cultivate

Void Shatter

Devoid (This card has no color.)
Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Intruder Alarm

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

Chulane, Teller of Tales

Vigilance
Whenever you cast a creature spell, draw a card, then you may put a land card from your hand onto the battlefield.
{3}, {T}: Return target creature you control to its owner's hand.

Memnite

Seedborn Muse

Untap all permanents you control during each other player's untap step.

Mana Breach

Whenever a player casts a spell, that player returns a land they control to its owner's hand.

Wilderness Reclamation

At the beginning of your end step, untap all lands you control.

Shrieking Drake

Flying
When Shrieking Drake enters, return a creature you control to its owner's hand.