mtg.wtf

[+1]: You gain 2 life.
[–1]: Put a +1/+1 counter on each creature you control. Those creatures gain vigilance until end of turn.
[–6]: Create a white Avatar creature token. It has "This creature's power and toughness are each equal to your life total."

[+1]: Chandra Nalaar deals 1 damage to target player or planeswalker.
[–X]: Chandra Nalaar deals X damage to target creature.
[–8]: Chandra Nalaar deals 10 damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.

[+1]: Untap two target lands.
[–1]: Create a 3/3 green Beast creature token.
[–4]: Creatures you control get +3/+3 and gain trample until end of turn.

[+2]: Each player draws a card.
[–1]: Target player draws a card.
[–10]: Target player mills twenty cards.

[+1]: Target player discards a card.
[–2]: Search your library for a card, then shuffle and put that card on top.
[–8]: Put all creature cards from all graveyards onto the battlefield under your control.