Shield¶ Basic Earth Spell <instant> The defending unit gains * against a <ground_unit> or <flying_unit> unit. <power> 0 ➣ *+1 <defense> <power> 1 ➣ *+2 <defense> <power> 2 ➣ *+3 <defense>— OR — <instant> +1 <power> Comes With¶ Tower Expansion See Also¶ School of Earth Magic List of Spells