Evolve
Remove two +1/+1 counters from Experiment One : Regenerate Experiment One.

Put a +1/+1 counter on target creature and untap it.

Abrupt Decay can't be countered by spells or abilities.
Destroy target nonland permanent with converted mana cost 3 or less.

Haste
Scavenge

Flying
At the beginning of each combat, any opponent may sacrifice a creature. If a player does, tap Desecration Demon and put a +1/+1 counter on it.

As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, Overgrown Tomb enters the battlefield tapped.

As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, Blood Crypt enters the battlefield tapped.

Trample
Discard a creature card from your hand : Put a +1/+1 counter on Lotleth Troll.
: Regenerate Lotleth Troll.

Golgari Guildgate enters the battlefield tapped.
: Add or to your mana pool.

Evolve
: Add to your mana pool for each +1/+1 counter on Gyre Sage.

: Exile target land card from a graveyard. Add one mana of any color to your mana pool.
, : Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life.
, : Exile target creature card from a graveyard. You gain 2 life.

Target player sacrifices a creature, then gains life equal to that creature's toughness.

Rakdos's Return deals X damage to target opponent. That player discards X cards.

Destroy target monocolored creature.

Rakdos Guildgate enters the battlefield tapped.
: Add or to your mana pool.

Gain control of target creature until end of turn. Untap that creature. Until end of turn it gets +2/+0 and gains haste.

Enchant Land
Enchanted Land has ", Pay 1 life : Draw a card"

Pack Rat's power and toughness are each equal to the number of Rats you control.
, Discard a card : Put a token onto the battlefield that's a copy of Pack Rat.

Choose one - All creatures get -1/-1 until end of turn ; or destroy target enchantment ; or regenerate each creature you control.