Aetherplasm {2}{U}{U}
Creature — Illusion
Whenever this creature blocks a creature, you may return this creature to its owner's hand. If you do, you may put a creature card from your hand onto the battlefield blocking that creature.
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Wall of Caltrops 96%
$0.93#26175
"Whenever this creature blocks a creature, if at least one other Wall creature is blocking that creature and no non-Wall creatures are blocking that creature, this creature gains banding until end of turn."
Meglonoth 94%
$0.36#21746
"Whenever this creature blocks a creature, this creature deals damage to that creature's controller equal to this creature's power."
Vertigo Spawn 92%
$0.07#26159
"Whenever this creature blocks a creature, tap that creature. That creature doesn't untap during its controller's next untap step."
Talruum Champion 89%
$0.21#30802
"Whenever this creature blocks or becomes blocked by a creature, that creature loses first strike until end of turn."
Spitting Slug 89%
$0.31#31277
"Whenever this creature blocks or becomes blocked, you may pay {1}{G}. If you do, this creature gains first strike until end of turn. Otherwise, each creature blocking or blocked by this creature gains first strike until end of turn."
Witherscale Wurm 89%
$0.80#19636
"Whenever this creature blocks or becomes blocked by a creature, that creature gains wither until end of turn."
Mogg Toady 88%
$0.11#30572
"This creature can't block unless you control more creatures than attacking player."
Goblin Goon 88%
$0.35#20282
"This creature can't block unless you control more creatures than attacking player."
Howlpack Wolf 87%
$0.07#27541
"This creature can't block unless you control another Wolf or Werewolf."
Vantress Gargoyle 85%
$0.32#11501
"This creature can't block unless you have four or more cards in hand."
Lim-Dûl's Cohort 85%
#31170
"Whenever this creature blocks or becomes blocked by a creature, that creature can't be regenerated this turn."
Harried Spearguard 85%
$0.16#14278
"When this creature dies, create a 1/1 black Rat creature token with "This token can't block.""