As an additional cost to cast this spell, sacrifice a creature.
Fling deals damage equal to the sacrificed creature's power to any target.

(: Add .)

When this creature enters, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
Whenever one or more other creatures you control enter, if they entered or were cast from a graveyard, create a token that's a copy of one of them. This ability triggers only once each turn.

, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

+1: Draw a card, then discard a card.
+1: Target creature gets +2/+0 and gains first strike and trample until end of turn.
−8: Draw four cards. When you do, The Royal Scions deals damage to any target equal to the number of cards in your hand.

This land enters tapped unless you control two or fewer other lands.
: Add or .

When this creature enters, you get (three energy counters).
Pay : This creature gets +X/+X until end of turn, where X is its power.

Trample
When this creature enters, you may search your library for any number of land cards, exile them, then shuffle. If you do, this creature has base power and base toughness each equal to the number of cards exiled this way.

: Return this card from your graveyard to the battlefield tapped.

Reach
When this creature enters, you may put a land card from your hand onto the battlefield tapped.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Flying
At the beginning of your upkeep, sacrifice another artifact. If you can't, tap this creature and you lose 4 life.

Target player draws two cards.

, : Reveal any number of green cards in your hand. Target creature gets +X/+X until end of turn, where X is the number of cards revealed this way.

Tiered (Choose one additional cost.)
• Cure — — Target permanent gains hexproof and indestructible until end of turn.
• Cura — — Target permanent gains hexproof and indestructible until end of turn. You gain 3 life.
• Curaga — — Permanents you control gain hexproof and indestructible until end of turn. You gain 6 life.

This spell can't be countered.
Trample, ward
Whenever Koma deals combat damage to a player, create four 3/3 blue Serpent creature tokens named Koma's Coil.

Menace
Whenever another artifact is put into your graveyard from the battlefield or an artifact card is put into your graveyard from anywhere other than the battlefield, put a +1/+1 counter on this creature.

: Add .
, : Exile target creature you control.
, , Sacrifice this land: Return each creature card exiled with this land to the battlefield under its owner's control.

Flying
When this creature enters, you gain 3 life.