Omnibian 
Creature — Frog
$5.22 #12007 0.75 20.3 years
: Target creature becomes a Frog with base power and toughness 3/3 until end of turn.Click a line or tag to filter
Cards similar to Omnibian expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.
Gigantomancer80%
$0.42↓#20686↓0.29↓16.4 years↓
": Target creature you control has base power and toughness 7/7 until end of turn."
: Target creature you control has base power and toughness 7/7 until end of turn."
Serpentine Ambush76%
$0.12↓#18385↓0.29↓4.8 years↓
"Until end of turn, target creature becomes a blue Serpent with base power and toughness 5/5."
Metamorphic Blast74%
$0.21↓#139180.27↓2.4 years↓
"+ — Until end of turn, target creature becomes a white Rabbit with base power and toughness 0/1."
— Until end of turn, target creature becomes a white Rabbit with base power and toughness 0/1."
Sentinel73%
$0.41↓#24631↓0.17↓32.3 years↑
"
: Change this creature's base toughness to 1 plus the power of target creature blocking or blocked by this creature."
: Change this creature's base toughness to 1 plus the power of target creature blocking or blocked by this creature."
Creeperhulk72%
$0.23↓#20537↓0.09↓11.8 years↓
": Until end of turn, target creature you control has base power and toughness 5/5 and gains trample."
: Until end of turn, target creature you control has base power and toughness 5/5 and gains trample."
Scale Up72%
$0.40↓#7070↑0.11↓7.2 years↓
"Until end of turn, target creature you control becomes a green Wurm with base power and toughness 6/4."
Minsc, Beloved Ranger72%
$0.39↓#16510↓0.29↓5.1 years↓
"
: Until end of turn, target creature you control has base power and toughness X/X and becomes a Giant in addition to its other types. Activate only as a sorcery."
: Until end of turn, target creature you control has base power and toughness X/X and becomes a Giant in addition to its other types. Activate only as a sorcery."
Fractalize72%
$0.15↓#18947↓0.00↓0.4 years↓
"Until end of turn, target creature becomes a green and blue Fractal with base power and toughness each equal to X plus 1."
Startling Development71%
$0.10↓#21409↓0.27↓6.4 years↓
"Until end of turn, target creature becomes a blue Serpent with base power and toughness 4/4."
Mordenkainen's Polymorph70%
$0.19↓#21747↓0.29↓5.1 years↓
"Until end of turn, target creature becomes a Dragon with base power and toughness 4/4 and gains flying."
Gnottvold Hermit // Chrome Host Hulk70%
$0.09↓#29168↓0.00↓3.4 years↓
"Whenever this creature attacks, up to one other target creature has base power and toughness 5/5 until end of turn."
Halfdane70%
$35.20↑#28300↓0.60↓32.3 years↑
"At the beginning of your upkeep, change this card's base power and toughness to the power and toughness of target creature other than this card until the end of your next upkeep."