Ketria Triome - The List (PLIST)({T}: Add {G}, {U}, or {R}.) Ketria Triome enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.) Nowhere on Ikoria are monsters more integral to the landscape than Ketria, where the river itself will stand up and roar.

When Slithermuse leaves the battlefield

create two 2/2 black Zombie creature tokens

they lose life equal to the difference

) Equipped creature gets +4/+4 and has vigilance and lifelink

Once a century

so it's wise to let the time work for you – but players cannot skip their turn

Remove a +1/+1 counter from Walking Ballista: It deals 1 damage to any target

Whenever an opponent draws a card

) Herald of Leshrac gets +1/+1 for each land you control but don't own

Flash When Garna

For each thought

if it had no -1/-1 counters on it