Cheapest priced copy (Onslaught): $0.35 at Card Kingdom, near mint, their price list as of .
Shieldmage Elder 
Creature — Human Cleric Wizard · 2/3 · Uncommon · Onslaught · #54
Tap two untapped Clerics you control: Prevent all damage target creature would deal this turn.
Tap two untapped Wizards you control: Prevent all damage target spell would deal this turn.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.35 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Onslaught | 54 | Uncommon | $0.35 | $2.49 |
2 rulings from Wizards of the Coast
- 4 October 2004If the ability is activated targeting a spell that becomes a permanent, it also prevents any damage from that permanent this turn.
- 4 October 2004You may tap any untapped permanents you control with the appropriate creature type (including this creature) to pay the cost of the ability, including creatures that haven't been under your control continuously since the beginning of your most recent turn.