MTG

You gain 1 life for each creature on the battlefield. Prevent all combat damage that would be dealt this turn.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) When this creature dies, each opponent loses 2 life.

Metalcraft — When this creature enters, if you control three or more artifacts, target player loses 4 life and you gain 4 life.

Equipped creature has flying and first strike. Equip {2}

Metalcraft — When this creature enters, if you control three or more artifacts, this creature gets +3/+3 and gains haste until end of turn.

Haste Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Metalcraft — As long as you control three or more artifacts, this creature gets +2/+2 and has flying.

{W}, Sacrifice this creature: Prevent all damage a source of your choice would deal to you this turn.

Enchant creature Enchanted creature can't attack or block, and its activated abilities can't be activated.

{T}: Add {G} for each Elf on the battlefield.

Vigilance (Attacking doesn't cause this creature to tap.) Soulshift 4 (When this creature dies, you may return target Spirit card with mana value 4...

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.) {1}{R}: This creature gets +X/+0 until end of turn, ...

Sweep — Return any number of Swamps you control to their owner's hand. Target player discards a card for each Swamp returned this way.

First strike Channel — {1}{W}, Discard this card: Target creature gains first strike until end of turn.

Haste Channel — {R}, Discard this card: Target creature gains haste until end of turn.

Flying Channel — {U}, Discard this card: Target creature gains flying until end of turn.

This creature can't block. Channel — {1}{B}, Discard this card: Target creature can't block this turn.

{T}: You may put a land card from your hand onto the battlefield.

Destroy target artifact or enchantment if its mana value is less than or equal to the number of cards in your hand. Draw a card.

When this creature enters or leaves the battlefield, you lose 3 life if you don't control a Demon.

Soulshift 7 (When this creature dies, you may return target Spirit card with mana value 7 or less from your graveyard to your hand.)

Sweep — Return any number of Plains you control to their owner's hand. Target creature gets +1/+1 until end of turn for each Plains returned this way.

Creatures you control get +2/+0 until end of turn.