It's a compact synergy piece in any zombie deck, offering replenishment as your undead army dwindles
Lifegain effects fall into two categories: single-effect, big bursts of lifegain from cards like Feed the Clan, and incidental lifegain from cards like Soul Warden and Kambal, Consul of Allocation
Ever give a card to an alterist and have them botch it
For the simple cost of two Colorless energies, which could be instantly fulfilled in a single turn using a Double Colorless Energy, Seismitoad dealt a modest 30 damage, also applying a status condition that makes it so the opponent can not play any Item cards from their hand during their next turn
If the creature you control is an illegal target, you won't put a +1/+1 counter on it even if it's still on the battlefield
it doesnt strike you as anything special at first glance