This spell costs less to cast for each creature on the battlefield.
Destroy all creatures.

Choose one —
• Destroy target artifact or enchantment.
• Put a +1/+1 counter on target creature you control. It gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Flying
Escape—, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)
This creature escapes with "Whenever this creature deals combat damage to a player, you may cast an artifact, instant, or sorcery spell from among cards exiled with this creature without paying its mana cost."

, Sacrifice this enchantment: Draw two cards.

Equipped creature gets +2/+2.
As long as equipped creature has defender, it can attack as though it didn't have defender.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

When this land enters, sacrifice it unless you return a non-Lair land you control to its owner's hand.
: Add , , or .

Choose one or both —
• Exile target creature you don't control.
• Exile target creature you control, then return it to the battlefield under its owner's control.

Menace
When this creature enters, create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this token: Draw a card.")
Whenever this creature attacks, you may sacrifice a Blood token. If you do, it gets +2/+2 until end of turn.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)
, Sacrifice this creature: Destroy target Treefolk or Forest.

Trample
Whenever this creature deals combat damage to a player, look at the top card of your library. You may play a land from the top of your library or cast a spell with mana value less than or equal to the damage dealt from the top of your library without paying its mana cost. If you don't, put that card into your hand.
Blitz

Nahiri's Warcrafting deals 5 damage to target creature, planeswalker, or battle. Look at the top X cards of your library, where X is the excess damage dealt this way. You may exile one of those cards. Put the rest on the bottom of your library in a random order. You may play the exiled card this turn.

: This creature gets +1/+1 until end of turn.
Suspend 3— (Rather than cast this card from your hand, you may pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)

Choose one —
• Target creature gains first strike until end of turn.
• Target player gains 2 life.
• Destroy target Aura.

You gain 2 life. Then if you have more life than an opponent, draw a card.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Target creature gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard.

Triple strike (This creature deals first-strike, regular, and last-strike combat damage.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Whenever a source deals damage to this creature, that source's controller gets a poison counter.

(: Add .)

: Add one mana of any color.

, : Tap target creature with mana value 2 or greater.