Planechase 2012

Casting Cost:

At the beginning of your upkeep, you may put a 0/1 colorless Eldrazi Spawn creature token onto the battlefield. It has "Sacrifice this creature: Add to your mana pool."

Casting Cost: 

Flying, deathtouch

When Baleful Strix enters the battlefield, draw a card.

Casting Cost:

Reach

Whenever an opponent casts a spell, put a 1/1 green Insect creature token onto the battlefield.

Casting Cost:

: Return Etherium-Horn Sorcerer to its owner's hand.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Casting Cost:

Creatures can't attack you unless their controller pays  for each creature attacking you. (This cost is paid as attackers are declared.)

Casting Cost:

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Ink-Eyes, Servant of Oni deals combat damage to a player, you may put target creature card from that player's graveyard onto the battlefield under your control.

: Regenerate Ink-Eyes.

Casting Cost:

Creatures you control have haste.

Cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order. Then do it again.)

Casting Cost:

Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+1 counters on it.)

At the beginning of your upkeep, put a 1/1 green Saproling creature token onto the battlefield for each +1/+1 counter on Mycoloth.

Casting Cost: 

Flying

When Peregrine Drake enters the battlefield, untap up to five lands.

Casting Cost:

Equipped creature has deathtouch.

Whenever equipped creature deals combat damage to a player, that player loses half his or her life, rounded up.

Equip 

Casting Cost:

Ninjutsu  (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

You may have Sakashima's Student enter the battlefield as a copy of any creature on the battlefield, except it's a Ninja in addition to its other creature types.

Casting Cost:

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Casting Cost:

Whenever you cast an enchantment spell, put a 4/4 white Angel creature token with flying onto the battlefield.

Casting Cost:

Ninjutsu  (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Silent-Blade Oni deals combat damage to a player, look at that player's hand. You may cast a nonland card in it without paying that card's mana cost.

Casting Cost:

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Other creatures you control have intimidate.

Whenever Vela the Night-Clad or another creature you control leaves the battlefield, each opponent loses 1 life.