Counter target spell unless its controller pays . If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

, : Add .

Flying
When this creature enters or dies, mill two cards. (Put the top two cards of your library into your graveyard.)

Companion — Each nonland card in your starting deck shares a card type. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)
As Umori enters, choose a card type.
Spells you cast of the chosen type cost less to cast.

As this land enters, you may reveal a Swamp or Mountain card from your hand. If you don't, this land enters tapped.
: Add or .

Reveal the top X plus one cards of your library. Choose a creature card and/or a land card from among them. Put those cards into your hand and the rest on the bottom of your library in a random order. If X is 5 or more, instead put the chosen cards onto the battlefield or into your hand and the rest on the bottom of your library in a random order.

This creature enters with two +1/+1 counters on it.
At the beginning of your upkeep, you may move any number of +1/+1 counters from this creature onto another target creature.

: This creature gets +1/+0 until end of turn.
If a creature dealt damage by this creature this turn would die, exile it instead.

Enchant land
When this Aura enters, you gain 3 life.
Enchanted land has ": Add two mana of any one color."

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
Whenever a creature you control attacks alone, it gains double strike until end of turn.

Monocolored creatures can't block this turn.

Reach (This creature can block creatures with flying.)
: This creature gets +1/+0 until end of turn.

: This creature gets +2/+2 until end of turn. Activate only once each turn.

, : Look at the top card of your library. You may exile that card. ( is the untap symbol.)

This creature enters with seven +1/+0 counters on it.
At end of combat, if this creature attacked or blocked this combat, remove a +1/+0 counter from it.
, : Put up to X +1/+0 counters on this creature. This ability can't cause the total number of +1/+0 counters on this creature to be greater than seven. Activate only during your upkeep.

(: Add .)

Flying
This creature can't block.
Whenever this creature deals combat damage to a player, create a Blood token.
, Sacrifice two Blood tokens: Return this card from your graveyard to the battlefield.

When this creature enters, add .

Attacking creatures get -2/-0 until end of turn.
Draw a card.

Destroy target attacking or blocking creature.