, , Sacrifice a creature: This artifact deals 4 damage to target creature.

Haste
: This creature deals 1 damage to any target.

Creatures can't attack you unless their controller pays for each creature they control that's attacking you.

Flying, lifelink, hexproof from planeswalkers
Boast — , Sacrifice a creature: Each opponent sacrifices a creature or planeswalker. (Activate only if this creature attacked this turn and only once each turn.)

Search your library for up to X cards, put those cards into your hand, then shuffle.

Whenever you cast an enchantment spell, you gain 1 life and draw a card.

Whenever one or more other creatures you control leave the battlefield without dying, draw a card.
, : Return another target creature you control to its owner's hand.

: Add one mana of any color in your commander's color identity.

, Pay 1 life: Destroy target permanent you own.
, Pay 2 life: Add one mana of any color.
, Pay 3 life: Proliferate.
, Pay 4 life: Draw a card.
: Untap this artifact.

(: Add .)

, , Discard a card: Put a +0/+1 counter or a +1/+0 counter on target creature.

(: Add .)

This land can't be blocked.
: Add .
, : Two target creatures you control that share a creature type can't be blocked this turn.

Target creature can't be blocked this turn.

Disintegrate deals X damage to any target. If it's a creature, it can't be regenerated this turn, and if it would die this turn, exile it instead.

Kicker
When you cast this spell, if it was kicked, each player loses half their life, rounded up.
Scourge of the Skyclaves's power and toughness are each equal to 20 minus the highest life total among players.

Sacrifice this creature: It deals 1 damage to any target.

Choose one —
• Search your library for a card, put it into your hand, then shuffle.
• Put a card you own from outside the game into your hand.

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

You may play an additional land on each of your turns.
To solve — You control seven or more lands. (If unsolved, solve at the beginning of your end step.)
Solved — You may look at the top card of your library any time, and you may play lands and cast creature and enchantment spells from the top of your library.