Stonybrook Schoolmaster 
Creature — Merfolk Wizard
$0.33 #11482 0.30 18.6 years
Whenever this creature becomes tapped, you may create a 1/1 blue Merfolk Wizard creature token.
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Pestered Wellguard95%
$0.22↓#16978↓0.00↓0.6 years↓
"Whenever this creature becomes tapped, create a 1/1 blue and black Faerie creature token with flying."
Emmara, Soul of the Accord90%
$0.32↓#6600↑0.18↓7.9 years↓
"Whenever this card becomes tapped, create a 1/1 white Soldier creature token with lifelink."
Warchanter Skald86%
$0.19↓#19841↓0.255.6 years↓
"Whenever this creature becomes tapped, if it's enchanted or equipped, create a 2/1 red Dwarf Berserker creature token."
Wanderbrine Preacher82%
$0.16↓#17988↓0.00↓0.6 years↓
"Whenever this creature becomes tapped, you gain 2 life."
Vampire Envoy82%
$0.11↓#18914↓0.3110.6 years↓
"Whenever this creature becomes tapped, you gain 1 life."
Veteran of the Depths80%
$0.18↓#24938↓0.2918.9 years
"Whenever this creature becomes tapped, you may put a +1/+1 counter on it."
Radha, Coalition Warlord80%
$0.08↓#18693↓0.69↑4.0 years↓
"Whenever this card becomes tapped, another target creature you control gets +X/+X until end of turn, where X is the number of basic land types among lands you control."
Deeproot Pilgrimage78%
$1.69↑#4472↑0.14↓2.8 years↓
"Whenever one or more nontoken Merfolk you control become tapped, create a 1/1 blue Merfolk creature token with hexproof."
Fallowsage78%
$0.29↓#99410.04↓18.9 years
"Whenever this creature becomes tapped, you may draw a card."
Tale of Katara and Toph76%
$1.50↑#6124↑0.00↓0.8 years↓
"Creatures you control have "Whenever this creature becomes tapped for the first time during each of your turns, put a +1/+1 counter on it.""
Attentive Sunscribe74%
$0.10↓#18393↓0.00↓2.8 years↓
"Whenever this creature becomes tapped, scry 1."
Captain America, Living Legend74%
$0.34↑#8020↑0.00↓0.2 years↓
"Whenever a creature you control becomes tapped during your turn, if it's the first time that creature has become tapped this turn, untap it."
Gideon's Avenger74%
$0.69↑#14353↓0.2915.1 years↓
"Whenever a creature an opponent controls becomes tapped, put a +1/+1 counter on this creature."
Moonfolk Puzzlemaker74%
$0.08↓#17193↓0.274.5 years↓
"Whenever this creature becomes tapped, scry 1."
Renegade Wheelsmith74%
$0.17↓#17928↓0.12↓9.6 years↓
"Whenever this creature becomes tapped, target creature can't block this turn."
Captain's Claws74%
$0.38↑#102970.3210.6 years↓
"Whenever equipped creature attacks, create a 1/1 white Kor Ally creature token that's tapped and attacking."
Wylie Duke, Atiin Hero72%
$0.32↓#7944↑0.15↓2.4 years↓
"Whenever this card becomes tapped, you gain 1 life and draw a card."
Saint Traft and Rem Karolus72%
$0.27↓#14038↓0.383.4 years↓
"Whenever this card becomes tapped, create a 1/1 red Human creature token if this is the first time this ability has resolved this turn. If it's the second time, create a 1/1 blue Spirit creature token with flying. If it's the third time, create a 4/4 white Angel creature token with flying."
Chrome Companion72%
$0.27↓#101240.11↓1.1 years↓
"Whenever this creature becomes tapped, you gain 1 life."
Kilo, Apogee Mind72%
$0.44↑#3239↑0.391.1 years↓
"Whenever this card becomes tapped, proliferate."