Put X +1/+1 counters on target creature you control. Then counter up to one target spell unless its controller pays mana equal to the greatest power among creatures you control.
"Remind me to send the biomancer team a gift basket." —Olana, Simic field researcher
Flash When Rescue Retriever enters the battlefield, put a +1/+1 counter on each other Soldier you control. Prevent all damage that would be dealt to other attacking Soldiers you control.
It brings the two things weary soldiers need most: medicine and morale.
As an additional cost to cast this spell, sacrifice a creature. Choose target creature card in your graveyard. Return that card and the sacrificed card to the battlefield under your control at the beginning of your next upkeep. Exile Rescue from the Underworld.
Flying As Rescuer Sphinx enters the battlefield, you may return a nonland permanent you control to its owner's hand. If you do, Rescuer Sphinx enters the battlefield with a +1/+1 counter on it.
"Now, little fighter, show me you deserved this second chance."
Trample, ward {2} At the beginning of each combat, if Reservoir Kraken is untapped, any opponent may tap an untapped creature they control. If they do, tap Reservoir Kraken and create a 1/1 blue Fish creature token with "This creature can't be blocked."
As an additional cost to cast this spell, sacrifice an artifact. Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.
When Resilient Khenra enters the battlefield, you may have target creature get +X/+X until end of turn, where X is Resilient Khenra's power. Eternalize {4}{G}{G}