Name:Hydra Trainer
ManaCost:1 G
Types:Creature Human Warrior
PT:1/1
S:Mode$ OptionalAttackCost | ValidCard$ Card.Self | Trigger$ TrigPump | Cost$ Exert<1/CARDNAME> | Description$ You may exert CARDNAME as it attacks. When you do, target creature gets +X/+X until end of turn, where X is the number of counters on permanents you control. (An exerted creature won't untap during your next untap step.)
SVar:TrigPump:DB$ Pump | ValidTgts$ Creature | NumAtt$ +X | NumDef$ +X | SpellDescription$ When you do, target creature gets +X/+X until end of turn, where X is the number of counters on permanents you control. (An exerted creature won't untap during your next untap step.)
SVar:X:Count$Valid Permanent.YouCtrl$CardCounters.ALL
K:Adapt:2:2 G
Oracle:You may exert Hydra Trainer as it attacks. When you do, target creature gets +X/+X until end of turn, where X is the number of counters on permanents you control. (An exerted creature won't untap during your next untap step.)\n{2}{G}: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.)
