Planechase

T: Add two mana in any combination of colors. Spend this mana only to cast Elemental spells or activate abilities of Elementals.

Whenever another creature enters, you gain 1 life.

Soulless One's power and toughness are each equal to the number of Zombies on the battlefield plus the number of Zombie cards in all graveyards.

T: Add C. 2RW, T: Target creature gains double strike until end of turn.

Sunburst (This creature enters with a +1/+1 counter on it for each color of mana spent to cast it.)

(T: Add B.)

(T: Add B.)

(T: Add B.)

(T: Add B.)

(T: Add B.)

Each other player discards a card. You draw a card for each card discarded this way.

Syphon Soul deals 2 damage to each other player. You gain life equal to the damage dealt this way.

Changeling (This card is every creature type.) Whenever an opponent casts a spell, you may put a +1/+1 counter on this creature.

T, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Draw three cards. Then discard two cards unless you discard an artifact card.

When this creature enters, it deals 6 damage to each creature with flying. You may have this creature assign its combat damage as though it weren't blocked.

T: Add G.

Creatures of the creature type of your choice get +X/+X until end of turn.

Zombie spells you cast cost 1 less to cast. Zombie creatures you control get +2/+1.

T: Add B.

T: Add two mana of any one color. Spend this mana only to cast artifact spells or activate abilities of artifacts.

At the beginning of each upkeep, create a 1/1 green Saproling creature token.

If an opponent had two or more creatures enter the battlefield under their control this turn, you may pay U rather than pay this spell's mana cost. Return two target creatures to their owners' hands.

1: Exile target card from a graveyard.