Delvefall
Protean Hydra

Protean Hydra {X}{G}

Creature — Hydra

This creature enters with X +1/+1 counters on it.
If damage would be dealt to this creature, prevent that damage and remove that many +1/+1 counters from it.
Whenever a +1/+1 counter is removed from this creature, put two +1/+1 counters on it at the beginning of the next end step.

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Cards that do something similar expected a card that isn't here?

Unbreathing Horde
Unbreathing Horde 90%
$0.38#8215
"If this creature would be dealt damage, prevent that damage and remove a +1/+1 counter from it."
+1 more matching line
Selfless Squire
Selfless Squire 89%
$0.39#2492
"Whenever damage that would be dealt to you is prevented, put that many +1/+1 counters on this creature."
Ugin's Conjurant
Ugin's Conjurant 89%
$0.14#11378
"If damage would be dealt to this creature while it has a +1/+1 counter on it, prevent that damage and remove that many +1/+1 counters from this creature."
+1 more matching line
Phantom Wurm
Phantom Wurm 86%
$0.24#22906
"If damage would be dealt to this creature, prevent that damage. Remove a +1/+1 counter from this creature."
+1 more matching line
Phantom Tiger
Phantom Tiger 86%
$0.23#22650
"If damage would be dealt to this creature, prevent that damage. Remove a +1/+1 counter from this creature."
+1 more matching line
Phantom Nantuko
Phantom Nantuko 86%
$0.33#16351
"If damage would be dealt to this creature, prevent that damage. Remove a +1/+1 counter from this creature."
+1 more matching line
Phantom Nomad
Phantom Nomad 86%
#26039
"If damage would be dealt to this creature, prevent that damage. Remove a +1/+1 counter from this creature."
+1 more matching line
Phantom Flock
Phantom Flock 86%
$0.10#22636
"If damage would be dealt to this creature, prevent that damage. Remove a +1/+1 counter from this creature."
+1 more matching line
Phantom Nishoba
Phantom Nishoba 86%
$0.32#13801
"If damage would be dealt to this creature, prevent that damage. Remove a +1/+1 counter from this creature."
+1 more matching line
Phantom Centaur
Phantom Centaur 86%
$0.28#26592
"If damage would be dealt to this creature, prevent that damage. Remove a +1/+1 counter from this creature."
+1 more matching line
Phytohydra
Phytohydra 85%
$0.35#13150
"If damage would be dealt to this creature, put that many +1/+1 counters on it instead."
Anti-Venom, Horrifying Healer
Anti-Venom, Horrifying Healer 85%
$6.18#5144
"If damage would be dealt to this card, prevent that damage and put that many +1/+1 counters on him."
Sekki, Seasons' Guide
Sekki, Seasons' Guide 85%
$1.70#17971
"If damage would be dealt to this card, prevent that damage, remove that many +1/+1 counters from this card, and create that many 1/1 colorless Spirit creature tokens."
Ironscale Hydra
Ironscale Hydra 84%
$1.23#8715
"If a creature would deal combat damage to this creature, prevent that damage and put a +1/+1 counter on this creature."
Stormwild Capridor
Stormwild Capridor 84%
$0.24#18356
"If noncombat damage would be dealt to this creature, prevent that damage. Put a +1/+1 counter on this creature for each 1 damage prevented this way."
Oathsworn Knight
Oathsworn Knight 84%
$0.31#18953
"If damage would be dealt to this creature while it has a +1/+1 counter on it, prevent that damage and remove a +1/+1 counter from it."
+1 more matching line
Vigor
Vigor 83%
$14.96#1327
"If damage would be dealt to another creature you control, prevent that damage. Put a +1/+1 counter on that creature for each 1 damage prevented this way."
Undergrowth Champion
Undergrowth Champion 83%
$0.58#8082
"If damage would be dealt to this creature while it has a +1/+1 counter on it, prevent that damage and remove a +1/+1 counter from this creature."
Magma Pummeler
Magma Pummeler 82%
$0.23#19497
"If damage would be dealt to this creature while it has a +1/+1 counter on it, prevent that damage and remove that many +1/+1 counters from it. When one or more counters are removed from this creature this way, it deals that much damage to any target."
+1 more matching line
Polukranos, Unchained
Polukranos, Unchained 81%
$0.78#11497
"If damage would be dealt to this card while it has a +1/+1 counter on it, prevent that damage and remove that many +1/+1 counters from it."