Rock Hydra
Creature — Hydra
Rock Hydra enters the battlefield with X +1/+1 counters on it.
For each 1 damage that would be dealt to Rock Hydra, if it has a +1/+1 counter on it, remove a +1/+1 counter from it and prevent that 1 damage.
: Prevent the next 1 damage that would be dealt to Rock Hydra this turn.
: Put a +1/+1 counter on Rock Hydra. Activate only during your upkeep.
For each 1 damage that would be dealt to Rock Hydra, if it has a +1/+1 counter on it, remove a +1/+1 counter from it and prevent that 1 damage.
: Prevent the next 1 damage that would be dealt to Rock Hydra this turn.
: Put a +1/+1 counter on Rock Hydra. Activate only during your upkeep.
0/0
standard
future
historic
gladiator
pioneer
explorer
modern
legacy
pauper
vintage
penny
commander
brawl
alchemy
paupercommander
duel
oldschool
premodern
Rulings
Once on the battlefield, the X is considered to be zero when calculating its mana cost.
If put onto the battlefield without casting it from your hand, X will be zero.
If damage that would be dealt to Rock Hydra can’t be prevented, you still remove a +1/+1 counter from it for each 1 damage dealt.
You can activate the activated ability that prevents damage any time, even if no source seems likely to deal damage to you in the near future. It will prevent the next 1 damage that would be dealt this turn, even if that turns out to be much later in the turn.
If put onto the battlefield without casting it from your hand, X will be zero.
If damage that would be dealt to Rock Hydra can’t be prevented, you still remove a +1/+1 counter from it for each 1 damage dealt.
You can activate the activated ability that prevents damage any time, even if no source seems likely to deal damage to you in the near future. It will prevent the next 1 damage that would be dealt this turn, even if that turns out to be much later in the turn.
Rulings
Once on the battlefield, the X is considered to be zero when calculating its mana cost.
If put onto the battlefield without casting it from your hand, X will be zero.
If damage that would be dealt to Rock Hydra can’t be prevented, you still remove a +1/+1 counter from it for each 1 damage dealt.
You can activate the activated ability that prevents damage any time, even if no source seems likely to deal damage to you in the near future. It will prevent the next 1 damage that would be dealt this turn, even if that turns out to be much later in the turn.
If put onto the battlefield without casting it from your hand, X will be zero.
If damage that would be dealt to Rock Hydra can’t be prevented, you still remove a +1/+1 counter from it for each 1 damage dealt.
You can activate the activated ability that prevents damage any time, even if no source seems likely to deal damage to you in the near future. It will prevent the next 1 damage that would be dealt this turn, even if that turns out to be much later in the turn.
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