Mages' Contest [Invasion] Land Creature put a +1/+1 counter on

put a +1/+1 counter on Scavenging Ooze and you gain 1 life

Then if there are four or more charge counters on it

you lose life equal to your life total

Set: Limited Edition Alpha Type: Creature — Dwarf Rarity: Uncommon Cost: {2}{R} {T}: Destroy target Wall

Set: Magic Player Rewards 2008 Type: Sorcery Rarity: Rare Cost: {2}{B}{B} Destroy all creatures

Mages' Contest [Invasion] Land Creature put a +1/+1 counter onSet: Invasion Type: Instant Rarity: Rare Cost: {1}{R}{R} You and target spell's controller bid life. You start the bidding with a bid of 1. In turn order, each player may top the high bid. The bidding ends if the high bid stands. The high bidder loses life equal to the high bid. If you win the bidding, counter that spell.