Bloomburrow/Trivia

MaRo's Bloomburrow Teaser

Mark Rosewater gave his traditional teaser with the following hints.^[1]

A new mechanic which is a tweak on a mechanic from 2013 —
"Destroy target creature" (a spell with only this rules text) gets a new mana cost —
A cycle of uncommon lands that each reference four creature types —
Counters in the set: +1/+1, blight, coin, finality, flood, flying, indestructible, loyalty, stash, stun, and supply
A noncreature subtype makes its first return —
A ten-card cycle that acts as typal glue —
Two mechanics that came out in the same set return each part of a different two-color archetype —
The word “Squirrels” shows up four times in rules text —
A mythic cycle with a new symbol —
One of the cutest mechanics we’ve ever made —

"Create X tokens that are copies of target token you control." —
"If you control a Raccoon, you may discard a card." —
"Creatures your opponents control have base toughness 1." —
"Whenever one or more other creatures you control leave the battlefield without dying," —
"if it’s the first instant spell, the first sorcery spell, or the first Otter spell" —
"put a flood counter on target land." —
"where X is the number of creatures you opponents controlled that were exiled this turn." —
"for each other Squirrel and/or Food you control." —
"As long as there are four or more card types among cards exiled with CARDNAME," —
"up to one target artifact, creature, or planeswalker an opponent controls loses all abilities until your next turn." —