Trample When this creature enters, you gain 3 life and draw a card. {2}{G}: Put this card from your graveyard into your library third from the top.

Trample This creature gets +10/+10 as long as you control ten or more lands.

Flying When this creature enters, for each opponent, you may cast up to one target instant or sorcery card from that player's graveyard without paying its mana cost. If a spell cast this way would be put into a graveyard, exile it instead.

All Slivers have "{T}: Add one mana of any color."

Flying, deathtouch When this creature enters, create four 1/1 green Insect creature tokens with flying and deathtouch.

Landfall — Whenever a land you control enters, add one mana of any color.

Trample Lieutenant — At the beginning of combat on your turn, if you control your commander, put a +1/+1 counter on each creature you control.

Mutate {2}{G} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Flying {T}: Add one mana of any color.

When this creature enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Whenever another creature you control enters, you gain 1 life.

When this creature enters, you may search your library for a basic Forest or Island card, put it onto the battlefield, then shuffle.

When this creature enters, you may destroy target artifact or enchantment.

Whenever this creature or another Elemental you control enters, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

Mutate {5}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Flying Whenever this creature mutates, gain control of target noncreature artifact.

Trample Whenever this creature or another creature you control enters, this creature fights up to one target creature you don't control.

When this creature enters, search your library for a Forest card, put that card onto the battlefield, then shuffle.