Enlightened Tutor

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

Natural Affinity

All lands become 2/2 creatures until end of turn. They're still lands.

Enchanted Evening

All permanents are enchantments in addition to their other types.

Sterling Grove

Other enchantments you control have shroud. (They can't be the targets of spells or abilities.)
{1}, Sacrifice Sterling Grove: Search your library for an enchantment card, reveal it, then shuffle and put that card on top.

Life and Limb

All Forests and all Saprolings are 1/1 green Saproling creatures and Forest lands in addition to their other types. (They're affected by summoning sickness.)

Heart of Yavimaya

If Heart of Yavimaya would enter, sacrifice a Forest instead. If you do, put Heart of Yavimaya onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add {G}.
{T}: Target creature gets +1/+1 until end of turn.

Confusion in the Ranks

Whenever an artifact, creature, or enchantment enters, its controller chooses target permanent another player controls that shares a card type with it. Exchange control of those permanents.

Linvala, Keeper of Silence

Flying
Activated abilities of creatures your opponents control can't be activated.

Idyllic Tutor

Search your library for an enchantment card, reveal it, put it into your hand, then shuffle.