Reverent Mantra [Mercadian Masques] Human Shaman Set: Commander's Arsenal Oversized Type:

Set: Commander's Arsenal Oversized Type: Legendary Creature — Sliver Rarity: Rare Cost: {W}{U}{B}{R}{G} {2}: Create a 1/1 colorless Sliver creature token

If you would proliferate

Set: Legends Type: Enchantment Rarity: Uncommon Cost: {3}{W} Whenever a player casts an enchantment spell

If you control an Urza's Mine and an Urza's Power-Plant

and strap in matching colors

Reverent Mantra [Mercadian Masques] Human Shaman Set: Commander's Arsenal Oversized Type:Set: Mercadian Masques Type: Instant Rarity: Rare Cost: {3}{W} You may exile a white card from your hand rather than pay this spell's mana cost. Choose a color. All creatures gain protection from the chosen color until end of turn.