Elvish Champion

Other Elf creatures get +1/+1 and have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

Island

{G}, {T}: You may put a creature card from your hand onto the battlefield.

Whenever a creature dies, that creature's controller may draw a card.

Islands don't untap during their controllers' untap steps.

Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.

Put two target lands on top of their owners' libraries.

Creatures with power greater than the number of cards in your hand can't attack.

Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.

Return target green card from your graveyard to your hand.

Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles.

{U}{U}{U}, {T}: Return target permanent to its owner's hand.

Return all creatures to their owners' hands.

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