Conclave Sledge-Captain [March of the Machine Commander]

Set: March of the Machine Commander Type: Creature — Elephant Soldier Rarity: Rare Cost: {5}{G} Backup 1, backup 1, backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following abilities until end of turn. Each backup ability triggers separately.)TrampleWhenever this creature deals combat damage to a player, put that many +1/+1 counters on it.