Zameck Guildmage
Gatecrash — uncommon
Creature — Elf Wizard
Zameck Guildmage rulings:
2013-01-24: Zameck Guildmage’s first ability is cumulative. For example, if it resolves twice in a turn, each creature that enters the battlefield under your control that turn will do so with two +1/+1 additional counters on it.
2013-01-24: Zameck Guildmage’s first ability has no effect on creatures already on the battlefield when it resolves.