As an additional cost to cast this spell, reveal an Elf card from your hand or pay .
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Target player discards two cards unless they discard an artifact card.

Emerge (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's converted mana cost.)
When you cast this spell, draw a card.
Flying

Look at the top two cards of your library. Manifest one of those cards, then put the other on the top or bottom of your library. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

When Yavimaya Elder dies, you may search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle your library.
, Sacrifice Yavimaya Elder: Draw a card.

When Yavimaya Sapherd enters the battlefield, create a 1/1 green Saproling creature token.

Enchant creature
You control enchanted creature.
Enchanted creature gets +2/+2 and has trample.

When Yeva's Forcemage enters the battlefield, target creature gets +2/+2 until end of turn.

Whenever you cast an instant or sorcery spell, create a 1/1 red Elemental creature token.

First strike

When Youthful Scholar dies, draw two cards.

Commander ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand or the command zone tapped and attacking.)
Whenever a Ninja you control deals combat damage to a player, reveal the top card of your library and put that card into your hand. Each opponent loses life equal to that card's converted mana cost.

First strike
Cohort — , Tap an untapped Ally you control: Zada's Commando deals 1 damage to target opponent or planeswalker.

: Zealot of the God-Pharaoh deals 2 damage to target opponent or planeswalker.

Until end of turn, creatures you control get +1/+1 and creatures your opponents control get -1/-1.

Target creature gets +2/+2 and gains first strike until end of turn.

Whenever a land enters the battlefield under your control, create a 2/2 green Elemental creature token.

: Add .
Whenever you tap Zhur-Taa Druid for mana, it deals 1 damage to each opponent.

Cohort — , Tap an untapped Ally you control: Target opponent loses 2 life.